156535280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 120

約数和(自身を含む): 406494816

約数和(自身を除く): 249959536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 121, 157, 176, 206, 220, 242, 314, 412, 440, 484, 515, 605, 628, 785, 824, 880, 968, 1030, 1133, 1210, 1256, 1570, 1648, 1727, 1936, 2060, 2266, 2420, 2512, 3140, 3454, 4120, 4532, 4840, 5665, 6280, 6908, 8240, 8635, 9064, 9680, 11330, 12463, 12560, 13816, 16171, 17270, 18128, 18997, 22660, 24926, 27632, 32342, 34540, 37994, 45320, 49852, 62315, 64684, 69080, 75988, 80855, 90640, 94985, 99704, 124630, 129368, 138160, 151976, 161710, 177881, 189970, 199408, 249260, 258736, 303952, 323420, 355762, 379940, 498520, 646840, 711524, 759880, 889405, 997040, 1293680, 1423048, 1519760, 1778810, 1956691, 2846096, 3557620, 3913382, 7115240, 7826764, 9783455, 14230480, 15653528, 19566910, 31307056, 39133820, 78267640, 156535280]

約数ペア:

[(1, 156535280), (2, 78267640), (4, 39133820), (5, 31307056), (8, 19566910), (10, 15653528), (11, 14230480), (16, 9783455), (20, 7826764), (22, 7115240), (40, 3913382), (44, 3557620), (55, 2846096), (80, 1956691), (88, 1778810), (103, 1519760), (110, 1423048), (121, 1293680), (157, 997040), (176, 889405), (206, 759880), (220, 711524), (242, 646840), (314, 498520), (412, 379940), (440, 355762), (484, 323420), (515, 303952), (605, 258736), (628, 249260), (785, 199408), (824, 189970), (880, 177881), (968, 161710), (1030, 151976), (1133, 138160), (1210, 129368), (1256, 124630), (1570, 99704), (1648, 94985), (1727, 90640), (1936, 80855), (2060, 75988), (2266, 69080), (2420, 64684), (2512, 62315), (3140, 49852), (3454, 45320), (4120, 37994), (4532, 34540), (4840, 32342), (5665, 27632), (6280, 24926), (6908, 22660), (8240, 18997), (8635, 18128), (9064, 17270), (9680, 16171), (11330, 13816), (12463, 12560)]