15748980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 48413568

約数和(自身を除く): 32664588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 331, 366, 390, 610, 662, 732, 780, 793, 915, 993, 1220, 1324, 1586, 1655, 1830, 1986, 2379, 3172, 3310, 3660, 3965, 3972, 4303, 4758, 4965, 6620, 7930, 8606, 9516, 9930, 11895, 12909, 15860, 17212, 19860, 20191, 21515, 23790, 25818, 40382, 43030, 47580, 51636, 60573, 64545, 80764, 86060, 100955, 121146, 129090, 201910, 242292, 258180, 262483, 302865, 403820, 524966, 605730, 787449, 1049932, 1211460, 1312415, 1574898, 2624830, 3149796, 3937245, 5249660, 7874490, 15748980]

約数ペア:

[(1, 15748980), (2, 7874490), (3, 5249660), (4, 3937245), (5, 3149796), (6, 2624830), (10, 1574898), (12, 1312415), (13, 1211460), (15, 1049932), (20, 787449), (26, 605730), (30, 524966), (39, 403820), (52, 302865), (60, 262483), (61, 258180), (65, 242292), (78, 201910), (122, 129090), (130, 121146), (156, 100955), (183, 86060), (195, 80764), (244, 64545), (260, 60573), (305, 51636), (331, 47580), (366, 43030), (390, 40382), (610, 25818), (662, 23790), (732, 21515), (780, 20191), (793, 19860), (915, 17212), (993, 15860), (1220, 12909), (1324, 11895), (1586, 9930), (1655, 9516), (1830, 8606), (1986, 7930), (2379, 6620), (3172, 4965), (3310, 4758), (3660, 4303), (3965, 3972)]