78751980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3616

約数の個数: 96

約数和(自身を含む): 251052480

約数和(自身を除く): 172300500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 1107, 1230, 1476, 1845, 2214, 2460, 3557, 3690, 4428, 5535, 7114, 7380, 10671, 11070, 14228, 17785, 21342, 22140, 32013, 35570, 42684, 53355, 64026, 71140, 96039, 106710, 128052, 145837, 160065, 192078, 213420, 291674, 320130, 384156, 437511, 480195, 583348, 640260, 729185, 875022, 960390, 1312533, 1458370, 1750044, 1920780, 2187555, 2625066, 2916740, 3937599, 4375110, 5250132, 6562665, 7875198, 8750220, 13125330, 15750396, 19687995, 26250660, 39375990, 78751980]

約数ペア:

[(1, 78751980), (2, 39375990), (3, 26250660), (4, 19687995), (5, 15750396), (6, 13125330), (9, 8750220), (10, 7875198), (12, 6562665), (15, 5250132), (18, 4375110), (20, 3937599), (27, 2916740), (30, 2625066), (36, 2187555), (41, 1920780), (45, 1750044), (54, 1458370), (60, 1312533), (82, 960390), (90, 875022), (108, 729185), (123, 640260), (135, 583348), (164, 480195), (180, 437511), (205, 384156), (246, 320130), (270, 291674), (369, 213420), (410, 192078), (492, 160065), (540, 145837), (615, 128052), (738, 106710), (820, 96039), (1107, 71140), (1230, 64026), (1476, 53355), (1845, 42684), (2214, 35570), (2460, 32013), (3557, 22140), (3690, 21342), (4428, 17785), (5535, 14228), (7114, 11070), (7380, 10671)]