389445840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:671

約数の個数: 320

約数和(自身を含む): 1571328000

約数和(自身を除く): 1181882160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 108, 112, 120, 126, 129, 135, 140, 144, 168, 172, 180, 189, 210, 215, 216, 240, 252, 258, 270, 280, 301, 315, 336, 344, 360, 378, 387, 420, 430, 432, 504, 516, 540, 560, 599, 602, 630, 645, 688, 720, 756, 774, 840, 860, 903, 945, 1008, 1032, 1080, 1161, 1198, 1204, 1260, 1290, 1505, 1512, 1548, 1680, 1720, 1797, 1806, 1890, 1935, 2064, 2160, 2322, 2396, 2408, 2520, 2580, 2709, 2995, 3010, 3024, 3096, 3440, 3594, 3612, 3780, 3870, 4193, 4515, 4644, 4792, 4816, 5040, 5160, 5391, 5418, 5805, 5990, 6020, 6192, 7188, 7224, 7560, 7740, 8127, 8386, 8985, 9030, 9288, 9584, 10320, 10782, 10836, 11610, 11980, 12040, 12579, 13545, 14376, 14448, 15120, 15480, 16173, 16254, 16772, 17970, 18060, 18576, 20965, 21564, 21672, 23220, 23960, 24080, 25158, 25757, 26955, 27090, 28752, 30960, 32346, 32508, 33544, 35940, 36120, 37737, 40635, 41930, 43128, 43344, 46440, 47920, 50316, 51514, 53910, 54180, 62895, 64692, 65016, 67088, 71880, 72240, 75474, 77271, 80865, 81270, 83860, 86256, 92880, 100632, 103028, 107820, 108360, 113211, 125790, 128785, 129384, 130032, 143760, 150948, 154542, 161730, 162540, 167720, 180299, 188685, 201264, 206056, 215640, 216720, 226422, 231813, 251580, 257570, 258768, 301896, 309084, 323460, 325080, 335440, 360598, 377370, 386355, 412112, 431280, 452844, 463626, 503160, 515140, 540897, 566055, 603792, 618168, 646920, 650160, 695439, 721196, 754740, 772710, 901495, 905688, 927252, 1006320, 1030280, 1081794, 1132110, 1159065, 1236336, 1293840, 1390878, 1442392, 1509480, 1545420, 1622691, 1802990, 1811376, 1854504, 2060560, 2163588, 2264220, 2318130, 2704485, 2781756, 2884784, 3018960, 3090840, 3245382, 3477195, 3605980, 3709008, 4327176, 4528440, 4636260, 4868073, 5408970, 5563512, 6181680, 6490764, 6954390, 7211960, 8113455, 8654352, 9056880, 9272520, 9736146, 10817940, 11127024, 12981528, 13908780, 14423920, 16226910, 18545040, 19472292, 21635880, 24340365, 25963056, 27817560, 32453820, 38944584, 43271760, 48680730, 55635120, 64907640, 77889168, 97361460, 129815280, 194722920, 389445840]

約数ペア:

[(1, 389445840), (2, 194722920), (3, 129815280), (4, 97361460), (5, 77889168), (6, 64907640), (7, 55635120), (8, 48680730), (9, 43271760), (10, 38944584), (12, 32453820), (14, 27817560), (15, 25963056), (16, 24340365), (18, 21635880), (20, 19472292), (21, 18545040), (24, 16226910), (27, 14423920), (28, 13908780), (30, 12981528), (35, 11127024), (36, 10817940), (40, 9736146), (42, 9272520), (43, 9056880), (45, 8654352), (48, 8113455), (54, 7211960), (56, 6954390), (60, 6490764), (63, 6181680), (70, 5563512), (72, 5408970), (80, 4868073), (84, 4636260), (86, 4528440), (90, 4327176), (105, 3709008), (108, 3605980), (112, 3477195), (120, 3245382), (126, 3090840), (129, 3018960), (135, 2884784), (140, 2781756), (144, 2704485), (168, 2318130), (172, 2264220), (180, 2163588), (189, 2060560), (210, 1854504), (215, 1811376), (216, 1802990), (240, 1622691), (252, 1545420), (258, 1509480), (270, 1442392), (280, 1390878), (301, 1293840), (315, 1236336), (336, 1159065), (344, 1132110), (360, 1081794), (378, 1030280), (387, 1006320), (420, 927252), (430, 905688), (432, 901495), (504, 772710), (516, 754740), (540, 721196), (560, 695439), (599, 650160), (602, 646920), (630, 618168), (645, 603792), (688, 566055), (720, 540897), (756, 515140), (774, 503160), (840, 463626), (860, 452844), (903, 431280), (945, 412112), (1008, 386355), (1032, 377370), (1080, 360598), (1161, 335440), (1198, 325080), (1204, 323460), (1260, 309084), (1290, 301896), (1505, 258768), (1512, 257570), (1548, 251580), (1680, 231813), (1720, 226422), (1797, 216720), (1806, 215640), (1890, 206056), (1935, 201264), (2064, 188685), (2160, 180299), (2322, 167720), (2396, 162540), (2408, 161730), (2520, 154542), (2580, 150948), (2709, 143760), (2995, 130032), (3010, 129384), (3024, 128785), (3096, 125790), (3440, 113211), (3594, 108360), (3612, 107820), (3780, 103028), (3870, 100632), (4193, 92880), (4515, 86256), (4644, 83860), (4792, 81270), (4816, 80865), (5040, 77271), (5160, 75474), (5391, 72240), (5418, 71880), (5805, 67088), (5990, 65016), (6020, 64692), (6192, 62895), (7188, 54180), (7224, 53910), (7560, 51514), (7740, 50316), (8127, 47920), (8386, 46440), (8985, 43344), (9030, 43128), (9288, 41930), (9584, 40635), (10320, 37737), (10782, 36120), (10836, 35940), (11610, 33544), (11980, 32508), (12040, 32346), (12579, 30960), (13545, 28752), (14376, 27090), (14448, 26955), (15120, 25757), (15480, 25158), (16173, 24080), (16254, 23960), (16772, 23220), (17970, 21672), (18060, 21564), (18576, 20965)]