253450120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 771379200

約数和(自身を除く): 517929080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 61, 70, 71, 76, 77, 88, 95, 110, 122, 133, 140, 142, 152, 154, 190, 209, 220, 244, 266, 280, 284, 305, 308, 355, 380, 385, 418, 427, 440, 488, 497, 532, 568, 610, 616, 665, 671, 710, 760, 770, 781, 836, 854, 994, 1045, 1064, 1159, 1220, 1330, 1342, 1349, 1420, 1463, 1540, 1562, 1672, 1708, 1988, 2090, 2135, 2318, 2440, 2485, 2660, 2684, 2698, 2840, 2926, 3080, 3124, 3355, 3416, 3905, 3976, 4180, 4270, 4331, 4636, 4697, 4970, 5320, 5368, 5396, 5467, 5795, 5852, 6248, 6710, 6745, 7315, 7810, 8113, 8360, 8540, 8662, 9272, 9394, 9443, 9940, 10792, 10934, 11590, 11704, 12749, 13420, 13490, 14630, 14839, 15620, 16226, 17080, 17324, 18788, 18886, 19880, 21655, 21868, 23180, 23485, 25498, 26840, 26980, 27335, 29260, 29678, 30317, 31240, 32452, 34648, 37576, 37772, 40565, 43310, 43736, 46360, 46970, 47215, 47641, 50996, 53960, 54670, 58520, 59356, 60634, 63745, 64904, 74195, 75544, 81130, 82289, 86620, 89243, 93940, 94430, 95282, 101992, 103873, 109340, 118712, 121268, 127490, 148390, 151585, 162260, 164578, 173240, 178486, 187880, 188860, 190564, 207746, 218680, 238205, 242536, 254980, 296780, 303170, 324520, 329156, 333487, 356972, 377720, 381128, 411445, 415492, 446215, 476410, 509960, 519365, 576023, 593560, 606340, 658312, 666974, 713944, 822890, 830984, 892430, 905179, 952820, 1038730, 1152046, 1212680, 1333948, 1645780, 1667435, 1784860, 1810358, 1905640, 2077460, 2304092, 2667896, 2880115, 3291560, 3334870, 3569720, 3620716, 4154920, 4525895, 4608184, 5760230, 6336253, 6669740, 7241432, 9051790, 11520460, 12672506, 13339480, 18103580, 23040920, 25345012, 31681265, 36207160, 50690024, 63362530, 126725060, 253450120]

約数ペア:

[(1, 253450120), (2, 126725060), (4, 63362530), (5, 50690024), (7, 36207160), (8, 31681265), (10, 25345012), (11, 23040920), (14, 18103580), (19, 13339480), (20, 12672506), (22, 11520460), (28, 9051790), (35, 7241432), (38, 6669740), (40, 6336253), (44, 5760230), (55, 4608184), (56, 4525895), (61, 4154920), (70, 3620716), (71, 3569720), (76, 3334870), (77, 3291560), (88, 2880115), (95, 2667896), (110, 2304092), (122, 2077460), (133, 1905640), (140, 1810358), (142, 1784860), (152, 1667435), (154, 1645780), (190, 1333948), (209, 1212680), (220, 1152046), (244, 1038730), (266, 952820), (280, 905179), (284, 892430), (305, 830984), (308, 822890), (355, 713944), (380, 666974), (385, 658312), (418, 606340), (427, 593560), (440, 576023), (488, 519365), (497, 509960), (532, 476410), (568, 446215), (610, 415492), (616, 411445), (665, 381128), (671, 377720), (710, 356972), (760, 333487), (770, 329156), (781, 324520), (836, 303170), (854, 296780), (994, 254980), (1045, 242536), (1064, 238205), (1159, 218680), (1220, 207746), (1330, 190564), (1342, 188860), (1349, 187880), (1420, 178486), (1463, 173240), (1540, 164578), (1562, 162260), (1672, 151585), (1708, 148390), (1988, 127490), (2090, 121268), (2135, 118712), (2318, 109340), (2440, 103873), (2485, 101992), (2660, 95282), (2684, 94430), (2698, 93940), (2840, 89243), (2926, 86620), (3080, 82289), (3124, 81130), (3355, 75544), (3416, 74195), (3905, 64904), (3976, 63745), (4180, 60634), (4270, 59356), (4331, 58520), (4636, 54670), (4697, 53960), (4970, 50996), (5320, 47641), (5368, 47215), (5396, 46970), (5467, 46360), (5795, 43736), (5852, 43310), (6248, 40565), (6710, 37772), (6745, 37576), (7315, 34648), (7810, 32452), (8113, 31240), (8360, 30317), (8540, 29678), (8662, 29260), (9272, 27335), (9394, 26980), (9443, 26840), (9940, 25498), (10792, 23485), (10934, 23180), (11590, 21868), (11704, 21655), (12749, 19880), (13420, 18886), (13490, 18788), (14630, 17324), (14839, 17080), (15620, 16226)]