54786920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 141834240

約数和(自身を除く): 87047320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 113, 115, 124, 136, 155, 170, 184, 226, 230, 248, 310, 340, 391, 452, 460, 527, 565, 620, 680, 713, 782, 904, 920, 1054, 1130, 1240, 1426, 1564, 1921, 1955, 2108, 2260, 2599, 2635, 2852, 3128, 3503, 3565, 3842, 3910, 4216, 4520, 5198, 5270, 5704, 7006, 7130, 7684, 7820, 9605, 10396, 10540, 12121, 12995, 14012, 14260, 15368, 15640, 17515, 19210, 20792, 21080, 24242, 25990, 28024, 28520, 35030, 38420, 44183, 48484, 51980, 59551, 60605, 70060, 76840, 80569, 88366, 96968, 103960, 119102, 121210, 140120, 161138, 176732, 220915, 238204, 242420, 297755, 322276, 353464, 402845, 441830, 476408, 484840, 595510, 644552, 805690, 883660, 1191020, 1369673, 1611380, 1767320, 2382040, 2739346, 3222760, 5478692, 6848365, 10957384, 13696730, 27393460, 54786920]

約数ペア:

[(1, 54786920), (2, 27393460), (4, 13696730), (5, 10957384), (8, 6848365), (10, 5478692), (17, 3222760), (20, 2739346), (23, 2382040), (31, 1767320), (34, 1611380), (40, 1369673), (46, 1191020), (62, 883660), (68, 805690), (85, 644552), (92, 595510), (113, 484840), (115, 476408), (124, 441830), (136, 402845), (155, 353464), (170, 322276), (184, 297755), (226, 242420), (230, 238204), (248, 220915), (310, 176732), (340, 161138), (391, 140120), (452, 121210), (460, 119102), (527, 103960), (565, 96968), (620, 88366), (680, 80569), (713, 76840), (782, 70060), (904, 60605), (920, 59551), (1054, 51980), (1130, 48484), (1240, 44183), (1426, 38420), (1564, 35030), (1921, 28520), (1955, 28024), (2108, 25990), (2260, 24242), (2599, 21080), (2635, 20792), (2852, 19210), (3128, 17515), (3503, 15640), (3565, 15368), (3842, 14260), (3910, 14012), (4216, 12995), (4520, 12121), (5198, 10540), (5270, 10396), (5704, 9605), (7006, 7820), (7130, 7684)]