147694640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 366806880

約数和(自身を除く): 219112240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 170, 262, 272, 340, 524, 655, 680, 829, 1048, 1310, 1360, 1658, 2096, 2227, 2620, 3316, 4145, 4454, 5240, 6632, 8290, 8908, 10480, 11135, 13264, 14093, 16580, 17816, 22270, 28186, 33160, 35632, 44540, 56372, 66320, 70465, 89080, 108599, 112744, 140930, 178160, 217198, 225488, 281860, 434396, 542995, 563720, 868792, 1085990, 1127440, 1737584, 1846183, 2171980, 3692366, 4343960, 7384732, 8687920, 9230915, 14769464, 18461830, 29538928, 36923660, 73847320, 147694640]

約数ペア:

[(1, 147694640), (2, 73847320), (4, 36923660), (5, 29538928), (8, 18461830), (10, 14769464), (16, 9230915), (17, 8687920), (20, 7384732), (34, 4343960), (40, 3692366), (68, 2171980), (80, 1846183), (85, 1737584), (131, 1127440), (136, 1085990), (170, 868792), (262, 563720), (272, 542995), (340, 434396), (524, 281860), (655, 225488), (680, 217198), (829, 178160), (1048, 140930), (1310, 112744), (1360, 108599), (1658, 89080), (2096, 70465), (2227, 66320), (2620, 56372), (3316, 44540), (4145, 35632), (4454, 33160), (5240, 28186), (6632, 22270), (8290, 17816), (8908, 16580), (10480, 14093), (11135, 13264)]