72176020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1637

約数の個数: 72

約数和(自身を含む): 180182016

約数和(自身を除く): 108005996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1567, 1645, 2303, 3134, 3290, 4606, 6268, 6580, 7835, 9212, 10969, 11515, 15670, 21938, 23030, 31340, 43876, 46060, 54845, 73649, 76783, 109690, 147298, 153566, 219380, 294596, 307132, 368245, 383915, 515543, 736490, 767830, 1031086, 1472980, 1535660, 2062172, 2577715, 3608801, 5155430, 7217602, 10310860, 14435204, 18044005, 36088010, 72176020]

約数ペア:

[(1, 72176020), (2, 36088010), (4, 18044005), (5, 14435204), (7, 10310860), (10, 7217602), (14, 5155430), (20, 3608801), (28, 2577715), (35, 2062172), (47, 1535660), (49, 1472980), (70, 1031086), (94, 767830), (98, 736490), (140, 515543), (188, 383915), (196, 368245), (235, 307132), (245, 294596), (329, 219380), (470, 153566), (490, 147298), (658, 109690), (940, 76783), (980, 73649), (1316, 54845), (1567, 46060), (1645, 43876), (2303, 31340), (3134, 23030), (3290, 21938), (4606, 15670), (6268, 11515), (6580, 10969), (7835, 9212)]