305312280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 256

約数和(自身を含む): 1145733120

約数和(自身を除く): 840420840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 73, 78, 84, 91, 104, 105, 120, 130, 140, 146, 156, 168, 182, 195, 210, 219, 260, 273, 280, 292, 312, 364, 365, 383, 390, 420, 438, 455, 511, 520, 546, 584, 728, 730, 766, 780, 840, 876, 910, 949, 1022, 1092, 1095, 1149, 1365, 1460, 1532, 1533, 1560, 1752, 1820, 1898, 1915, 2044, 2184, 2190, 2298, 2555, 2681, 2730, 2847, 2920, 3064, 3066, 3640, 3796, 3830, 4088, 4380, 4596, 4745, 4979, 5110, 5362, 5460, 5694, 5745, 6132, 6643, 7592, 7660, 7665, 8043, 8760, 9192, 9490, 9958, 10220, 10724, 10920, 11388, 11490, 12264, 13286, 13405, 14235, 14937, 15320, 15330, 16086, 18980, 19916, 19929, 20440, 21448, 22776, 22980, 24895, 26572, 26810, 27959, 28470, 29874, 30660, 32172, 33215, 34853, 37960, 39832, 39858, 40215, 45960, 49790, 53144, 53620, 55918, 56940, 59748, 61320, 64344, 66430, 69706, 74685, 79716, 80430, 83877, 99580, 99645, 104559, 107240, 111836, 113880, 119496, 132860, 139412, 139795, 149370, 159432, 160860, 167754, 174265, 195713, 199160, 199290, 209118, 223672, 265720, 278824, 279590, 298740, 321720, 335508, 348530, 363467, 391426, 398580, 418236, 419385, 522795, 559180, 587139, 597480, 671016, 697060, 726934, 782852, 797160, 836472, 838770, 978565, 1045590, 1090401, 1118360, 1174278, 1394120, 1453868, 1565704, 1677540, 1817335, 1957130, 2091180, 2180802, 2348556, 2544269, 2907736, 2935695, 3355080, 3634670, 3914260, 4182360, 4361604, 4697112, 5088538, 5452005, 5871390, 7269340, 7632807, 7828520, 8723208, 10177076, 10904010, 11742780, 12721345, 14538680, 15265614, 20354152, 21808020, 23485560, 25442690, 30531228, 38164035, 43616040, 50885380, 61062456, 76328070, 101770760, 152656140, 305312280]

約数ペア:

[(1, 305312280), (2, 152656140), (3, 101770760), (4, 76328070), (5, 61062456), (6, 50885380), (7, 43616040), (8, 38164035), (10, 30531228), (12, 25442690), (13, 23485560), (14, 21808020), (15, 20354152), (20, 15265614), (21, 14538680), (24, 12721345), (26, 11742780), (28, 10904010), (30, 10177076), (35, 8723208), (39, 7828520), (40, 7632807), (42, 7269340), (52, 5871390), (56, 5452005), (60, 5088538), (65, 4697112), (70, 4361604), (73, 4182360), (78, 3914260), (84, 3634670), (91, 3355080), (104, 2935695), (105, 2907736), (120, 2544269), (130, 2348556), (140, 2180802), (146, 2091180), (156, 1957130), (168, 1817335), (182, 1677540), (195, 1565704), (210, 1453868), (219, 1394120), (260, 1174278), (273, 1118360), (280, 1090401), (292, 1045590), (312, 978565), (364, 838770), (365, 836472), (383, 797160), (390, 782852), (420, 726934), (438, 697060), (455, 671016), (511, 597480), (520, 587139), (546, 559180), (584, 522795), (728, 419385), (730, 418236), (766, 398580), (780, 391426), (840, 363467), (876, 348530), (910, 335508), (949, 321720), (1022, 298740), (1092, 279590), (1095, 278824), (1149, 265720), (1365, 223672), (1460, 209118), (1532, 199290), (1533, 199160), (1560, 195713), (1752, 174265), (1820, 167754), (1898, 160860), (1915, 159432), (2044, 149370), (2184, 139795), (2190, 139412), (2298, 132860), (2555, 119496), (2681, 113880), (2730, 111836), (2847, 107240), (2920, 104559), (3064, 99645), (3066, 99580), (3640, 83877), (3796, 80430), (3830, 79716), (4088, 74685), (4380, 69706), (4596, 66430), (4745, 64344), (4979, 61320), (5110, 59748), (5362, 56940), (5460, 55918), (5694, 53620), (5745, 53144), (6132, 49790), (6643, 45960), (7592, 40215), (7660, 39858), (7665, 39832), (8043, 37960), (8760, 34853), (9192, 33215), (9490, 32172), (9958, 30660), (10220, 29874), (10724, 28470), (10920, 27959), (11388, 26810), (11490, 26572), (12264, 24895), (13286, 22980), (13405, 22776), (14235, 21448), (14937, 20440), (15320, 19929), (15330, 19916), (16086, 18980)]