161664020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 402554880

約数和(自身を除く): 240890860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 79, 94, 140, 158, 188, 235, 311, 316, 329, 395, 470, 553, 622, 658, 790, 940, 1106, 1244, 1316, 1555, 1580, 1645, 2177, 2212, 2765, 3110, 3290, 3713, 4354, 5530, 6220, 6580, 7426, 8708, 10885, 11060, 14617, 14852, 18565, 21770, 24569, 25991, 29234, 37130, 43540, 49138, 51982, 58468, 73085, 74260, 98276, 102319, 103964, 122845, 129955, 146170, 171983, 204638, 245690, 259910, 292340, 343966, 409276, 491380, 511595, 519820, 687932, 859915, 1023190, 1154743, 1719830, 2046380, 2309486, 3439660, 4618972, 5773715, 8083201, 11547430, 16166402, 23094860, 32332804, 40416005, 80832010, 161664020]

約数ペア:

[(1, 161664020), (2, 80832010), (4, 40416005), (5, 32332804), (7, 23094860), (10, 16166402), (14, 11547430), (20, 8083201), (28, 5773715), (35, 4618972), (47, 3439660), (70, 2309486), (79, 2046380), (94, 1719830), (140, 1154743), (158, 1023190), (188, 859915), (235, 687932), (311, 519820), (316, 511595), (329, 491380), (395, 409276), (470, 343966), (553, 292340), (622, 259910), (658, 245690), (790, 204638), (940, 171983), (1106, 146170), (1244, 129955), (1316, 122845), (1555, 103964), (1580, 102319), (1645, 98276), (2177, 74260), (2212, 73085), (2765, 58468), (3110, 51982), (3290, 49138), (3713, 43540), (4354, 37130), (5530, 29234), (6220, 25991), (6580, 24569), (7426, 21770), (8708, 18565), (10885, 14852), (11060, 14617)]