15220980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 48142080

約数和(自身を除く): 32921100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 397, 426, 540, 639, 710, 794, 852, 1065, 1191, 1278, 1420, 1588, 1917, 1985, 2130, 2382, 2556, 3195, 3573, 3834, 3970, 4260, 4764, 5955, 6390, 7146, 7668, 7940, 9585, 10719, 11910, 12780, 14292, 17865, 19170, 21438, 23820, 28187, 35730, 38340, 42876, 53595, 56374, 71460, 84561, 107190, 112748, 140935, 169122, 214380, 253683, 281870, 338244, 422805, 507366, 563740, 761049, 845610, 1014732, 1268415, 1522098, 1691220, 2536830, 3044196, 3805245, 5073660, 7610490, 15220980]

約数ペア:

[(1, 15220980), (2, 7610490), (3, 5073660), (4, 3805245), (5, 3044196), (6, 2536830), (9, 1691220), (10, 1522098), (12, 1268415), (15, 1014732), (18, 845610), (20, 761049), (27, 563740), (30, 507366), (36, 422805), (45, 338244), (54, 281870), (60, 253683), (71, 214380), (90, 169122), (108, 140935), (135, 112748), (142, 107190), (180, 84561), (213, 71460), (270, 56374), (284, 53595), (355, 42876), (397, 38340), (426, 35730), (540, 28187), (639, 23820), (710, 21438), (794, 19170), (852, 17865), (1065, 14292), (1191, 12780), (1278, 11910), (1420, 10719), (1588, 9585), (1917, 7940), (1985, 7668), (2130, 7146), (2382, 6390), (2556, 5955), (3195, 4764), (3573, 4260), (3834, 3970)]