64520880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 209986560

約数和(自身を除く): 145465680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 79, 80, 82, 83, 120, 123, 158, 164, 166, 205, 237, 240, 246, 249, 316, 328, 332, 395, 410, 415, 474, 492, 498, 615, 632, 656, 664, 790, 820, 830, 948, 984, 996, 1185, 1230, 1245, 1264, 1328, 1580, 1640, 1660, 1896, 1968, 1992, 2370, 2460, 2490, 3160, 3239, 3280, 3320, 3403, 3792, 3984, 4740, 4920, 4980, 6320, 6478, 6557, 6640, 6806, 9480, 9717, 9840, 9960, 10209, 12956, 13114, 13612, 16195, 17015, 18960, 19434, 19671, 19920, 20418, 25912, 26228, 27224, 32390, 32785, 34030, 38868, 39342, 40836, 48585, 51045, 51824, 52456, 54448, 64780, 65570, 68060, 77736, 78684, 81672, 97170, 98355, 102090, 104912, 129560, 131140, 136120, 155472, 157368, 163344, 194340, 196710, 204180, 259120, 262280, 268837, 272240, 314736, 388680, 393420, 408360, 524560, 537674, 777360, 786840, 806511, 816720, 1075348, 1344185, 1573680, 1613022, 2150696, 2688370, 3226044, 4032555, 4301392, 5376740, 6452088, 8065110, 10753480, 12904176, 16130220, 21506960, 32260440, 64520880]

約数ペア:

[(1, 64520880), (2, 32260440), (3, 21506960), (4, 16130220), (5, 12904176), (6, 10753480), (8, 8065110), (10, 6452088), (12, 5376740), (15, 4301392), (16, 4032555), (20, 3226044), (24, 2688370), (30, 2150696), (40, 1613022), (41, 1573680), (48, 1344185), (60, 1075348), (79, 816720), (80, 806511), (82, 786840), (83, 777360), (120, 537674), (123, 524560), (158, 408360), (164, 393420), (166, 388680), (205, 314736), (237, 272240), (240, 268837), (246, 262280), (249, 259120), (316, 204180), (328, 196710), (332, 194340), (395, 163344), (410, 157368), (415, 155472), (474, 136120), (492, 131140), (498, 129560), (615, 104912), (632, 102090), (656, 98355), (664, 97170), (790, 81672), (820, 78684), (830, 77736), (948, 68060), (984, 65570), (996, 64780), (1185, 54448), (1230, 52456), (1245, 51824), (1264, 51045), (1328, 48585), (1580, 40836), (1640, 39342), (1660, 38868), (1896, 34030), (1968, 32785), (1992, 32390), (2370, 27224), (2460, 26228), (2490, 25912), (3160, 20418), (3239, 19920), (3280, 19671), (3320, 19434), (3403, 18960), (3792, 17015), (3984, 16195), (4740, 13612), (4920, 13114), (4980, 12956), (6320, 10209), (6478, 9960), (6557, 9840), (6640, 9717), (6806, 9480)]