26181960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 65056440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 439, 497, 568, 710, 840, 852, 878, 994, 1065, 1317, 1420, 1491, 1704, 1756, 1988, 2130, 2195, 2485, 2634, 2840, 2982, 3073, 3512, 3976, 4260, 4390, 4970, 5268, 5964, 6146, 6585, 7455, 8520, 8780, 9219, 9940, 10536, 11928, 12292, 13170, 14910, 15365, 17560, 18438, 19880, 24584, 26340, 29820, 30730, 31169, 36876, 46095, 52680, 59640, 61460, 62338, 73752, 92190, 93507, 122920, 124676, 155845, 184380, 187014, 218183, 249352, 311690, 368760, 374028, 436366, 467535, 623380, 654549, 748056, 872732, 935070, 1090915, 1246760, 1309098, 1745464, 1870140, 2181830, 2618196, 3272745, 3740280, 4363660, 5236392, 6545490, 8727320, 13090980, 26181960]

約数ペア:

[(1, 26181960), (2, 13090980), (3, 8727320), (4, 6545490), (5, 5236392), (6, 4363660), (7, 3740280), (8, 3272745), (10, 2618196), (12, 2181830), (14, 1870140), (15, 1745464), (20, 1309098), (21, 1246760), (24, 1090915), (28, 935070), (30, 872732), (35, 748056), (40, 654549), (42, 623380), (56, 467535), (60, 436366), (70, 374028), (71, 368760), (84, 311690), (105, 249352), (120, 218183), (140, 187014), (142, 184380), (168, 155845), (210, 124676), (213, 122920), (280, 93507), (284, 92190), (355, 73752), (420, 62338), (426, 61460), (439, 59640), (497, 52680), (568, 46095), (710, 36876), (840, 31169), (852, 30730), (878, 29820), (994, 26340), (1065, 24584), (1317, 19880), (1420, 18438), (1491, 17560), (1704, 15365), (1756, 14910), (1988, 13170), (2130, 12292), (2195, 11928), (2485, 10536), (2634, 9940), (2840, 9219), (2982, 8780), (3073, 8520), (3512, 7455), (3976, 6585), (4260, 6146), (4390, 5964), (4970, 5268)]