40589280

素因数分解:

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

素因数の和:489

約数の個数: 144

約数和(自身を含む): 140815584

約数和(自身を除く): 100226304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 397, 426, 480, 568, 639, 710, 720, 794, 852, 1065, 1136, 1191, 1278, 1420, 1440, 1588, 1704, 1985, 2130, 2272, 2382, 2556, 2840, 3176, 3195, 3408, 3573, 3970, 4260, 4764, 5112, 5680, 5955, 6352, 6390, 6816, 7146, 7940, 8520, 9528, 10224, 11360, 11910, 12704, 12780, 14292, 15880, 17040, 17865, 19056, 20448, 23820, 25560, 28187, 28584, 31760, 34080, 35730, 38112, 47640, 51120, 56374, 57168, 63520, 71460, 84561, 95280, 102240, 112748, 114336, 140935, 142920, 169122, 190560, 225496, 253683, 281870, 285840, 338244, 422805, 450992, 507366, 563740, 571680, 676488, 845610, 901984, 1014732, 1127480, 1268415, 1352976, 1691220, 2029464, 2254960, 2536830, 2705952, 3382440, 4058928, 4509920, 5073660, 6764880, 8117856, 10147320, 13529760, 20294640, 40589280]

約数ペア:

[(1, 40589280), (2, 20294640), (3, 13529760), (4, 10147320), (5, 8117856), (6, 6764880), (8, 5073660), (9, 4509920), (10, 4058928), (12, 3382440), (15, 2705952), (16, 2536830), (18, 2254960), (20, 2029464), (24, 1691220), (30, 1352976), (32, 1268415), (36, 1127480), (40, 1014732), (45, 901984), (48, 845610), (60, 676488), (71, 571680), (72, 563740), (80, 507366), (90, 450992), (96, 422805), (120, 338244), (142, 285840), (144, 281870), (160, 253683), (180, 225496), (213, 190560), (240, 169122), (284, 142920), (288, 140935), (355, 114336), (360, 112748), (397, 102240), (426, 95280), (480, 84561), (568, 71460), (639, 63520), (710, 57168), (720, 56374), (794, 51120), (852, 47640), (1065, 38112), (1136, 35730), (1191, 34080), (1278, 31760), (1420, 28584), (1440, 28187), (1588, 25560), (1704, 23820), (1985, 20448), (2130, 19056), (2272, 17865), (2382, 17040), (2556, 15880), (2840, 14292), (3176, 12780), (3195, 12704), (3408, 11910), (3573, 11360), (3970, 10224), (4260, 9528), (4764, 8520), (5112, 7940), (5680, 7146), (5955, 6816), (6352, 6390)]