2645460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 8781696

約数和(自身を除く): 6136236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 71, 81, 90, 92, 108, 115, 135, 138, 142, 162, 180, 207, 213, 230, 270, 276, 284, 324, 345, 355, 405, 414, 426, 460, 540, 621, 639, 690, 710, 810, 828, 852, 1035, 1065, 1242, 1278, 1380, 1420, 1620, 1633, 1863, 1917, 2070, 2130, 2484, 2556, 3105, 3195, 3266, 3726, 3834, 4140, 4260, 4899, 5751, 6210, 6390, 6532, 7452, 7668, 8165, 9315, 9585, 9798, 11502, 12420, 12780, 14697, 16330, 18630, 19170, 19596, 23004, 24495, 28755, 29394, 32660, 37260, 38340, 44091, 48990, 57510, 58788, 73485, 88182, 97980, 115020, 132273, 146970, 176364, 220455, 264546, 293940, 440910, 529092, 661365, 881820, 1322730, 2645460]

約数ペア:

[(1, 2645460), (2, 1322730), (3, 881820), (4, 661365), (5, 529092), (6, 440910), (9, 293940), (10, 264546), (12, 220455), (15, 176364), (18, 146970), (20, 132273), (23, 115020), (27, 97980), (30, 88182), (36, 73485), (45, 58788), (46, 57510), (54, 48990), (60, 44091), (69, 38340), (71, 37260), (81, 32660), (90, 29394), (92, 28755), (108, 24495), (115, 23004), (135, 19596), (138, 19170), (142, 18630), (162, 16330), (180, 14697), (207, 12780), (213, 12420), (230, 11502), (270, 9798), (276, 9585), (284, 9315), (324, 8165), (345, 7668), (355, 7452), (405, 6532), (414, 6390), (426, 6210), (460, 5751), (540, 4899), (621, 4260), (639, 4140), (690, 3834), (710, 3726), (810, 3266), (828, 3195), (852, 3105), (1035, 2556), (1065, 2484), (1242, 2130), (1278, 2070), (1380, 1917), (1420, 1863), (1620, 1633)]