87702420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 266152320

約数和(自身を除く): 178449900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 229, 260, 390, 458, 491, 687, 780, 916, 982, 1145, 1374, 1473, 1964, 2290, 2455, 2748, 2946, 2977, 3435, 4580, 4910, 5892, 5954, 6383, 6870, 7365, 8931, 9820, 11908, 12766, 13740, 14730, 14885, 17862, 19149, 25532, 29460, 29770, 31915, 35724, 38298, 44655, 59540, 63830, 76596, 89310, 95745, 112439, 127660, 178620, 191490, 224878, 337317, 382980, 449756, 562195, 674634, 1124390, 1349268, 1461707, 1686585, 2248780, 2923414, 3373170, 4385121, 5846828, 6746340, 7308535, 8770242, 14617070, 17540484, 21925605, 29234140, 43851210, 87702420]

約数ペア:

[(1, 87702420), (2, 43851210), (3, 29234140), (4, 21925605), (5, 17540484), (6, 14617070), (10, 8770242), (12, 7308535), (13, 6746340), (15, 5846828), (20, 4385121), (26, 3373170), (30, 2923414), (39, 2248780), (52, 1686585), (60, 1461707), (65, 1349268), (78, 1124390), (130, 674634), (156, 562195), (195, 449756), (229, 382980), (260, 337317), (390, 224878), (458, 191490), (491, 178620), (687, 127660), (780, 112439), (916, 95745), (982, 89310), (1145, 76596), (1374, 63830), (1473, 59540), (1964, 44655), (2290, 38298), (2455, 35724), (2748, 31915), (2946, 29770), (2977, 29460), (3435, 25532), (4580, 19149), (4910, 17862), (5892, 14885), (5954, 14730), (6383, 13740), (6870, 12766), (7365, 11908), (8931, 9820)]