78940680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7229}}^1$

素因数の和:7263

約数の個数: 128

約数和(自身を含む): 291513600

約数和(自身を除く): 212572920

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, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7229, 10920, 14458, 21687, 28916, 36145, 43374, 50603, 57832, 72290, 86748, 93977, 101206, 108435, 144580, 151809, 173496, 187954, 202412, 216870, 253015, 281931, 289160, 303618, 375908, 404824, 433740, 469885, 506030, 563862, 607236, 657839, 751816, 759045, 867480, 939770, 1012060, 1127724, 1214472, 1315678, 1409655, 1518090, 1879540, 1973517, 2024120, 2255448, 2631356, 2819310, 3036180, 3289195, 3759080, 3947034, 5262712, 5638620, 6072360, 6578390, 7894068, 9867585, 11277240, 13156780, 15788136, 19735170, 26313560, 39470340, 78940680]

約数ペア:

[(1, 78940680), (2, 39470340), (3, 26313560), (4, 19735170), (5, 15788136), (6, 13156780), (7, 11277240), (8, 9867585), (10, 7894068), (12, 6578390), (13, 6072360), (14, 5638620), (15, 5262712), (20, 3947034), (21, 3759080), (24, 3289195), (26, 3036180), (28, 2819310), (30, 2631356), (35, 2255448), (39, 2024120), (40, 1973517), (42, 1879540), (52, 1518090), (56, 1409655), (60, 1315678), (65, 1214472), (70, 1127724), (78, 1012060), (84, 939770), (91, 867480), (104, 759045), (105, 751816), (120, 657839), (130, 607236), (140, 563862), (156, 506030), (168, 469885), (182, 433740), (195, 404824), (210, 375908), (260, 303618), (273, 289160), (280, 281931), (312, 253015), (364, 216870), (390, 202412), (420, 187954), (455, 173496), (520, 151809), (546, 144580), (728, 108435), (780, 101206), (840, 93977), (910, 86748), (1092, 72290), (1365, 57832), (1560, 50603), (1820, 43374), (2184, 36145), (2730, 28916), (3640, 21687), (5460, 14458), (7229, 10920)]