77681880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 273218400

約数和(自身を除く): 195536520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 72, 76, 82, 90, 95, 114, 120, 123, 152, 164, 171, 180, 190, 205, 228, 246, 277, 285, 328, 342, 360, 369, 380, 410, 456, 492, 554, 570, 615, 684, 738, 760, 779, 820, 831, 855, 984, 1108, 1140, 1230, 1368, 1385, 1476, 1558, 1640, 1662, 1710, 1845, 2216, 2280, 2337, 2460, 2493, 2770, 2952, 3116, 3324, 3420, 3690, 3895, 4155, 4674, 4920, 4986, 5263, 5540, 6232, 6648, 6840, 7011, 7380, 7790, 8310, 9348, 9972, 10526, 11080, 11357, 11685, 12465, 14022, 14760, 15580, 15789, 16620, 18696, 19944, 21052, 22714, 23370, 24930, 26315, 28044, 31160, 31578, 33240, 34071, 35055, 42104, 45428, 46740, 47367, 49860, 52630, 56088, 56785, 63156, 68142, 70110, 78945, 90856, 93480, 94734, 99720, 102213, 105260, 113570, 126312, 136284, 140220, 157890, 170355, 189468, 204426, 210520, 215783, 227140, 236835, 272568, 280440, 315780, 340710, 378936, 408852, 431566, 454280, 473670, 511065, 631560, 647349, 681420, 817704, 863132, 947340, 1022130, 1078915, 1294698, 1362840, 1726264, 1894680, 1942047, 2044260, 2157830, 2589396, 3236745, 3884094, 4088520, 4315660, 5178792, 6473490, 7768188, 8631320, 9710235, 12946980, 15536376, 19420470, 25893960, 38840940, 77681880]

約数ペア:

[(1, 77681880), (2, 38840940), (3, 25893960), (4, 19420470), (5, 15536376), (6, 12946980), (8, 9710235), (9, 8631320), (10, 7768188), (12, 6473490), (15, 5178792), (18, 4315660), (19, 4088520), (20, 3884094), (24, 3236745), (30, 2589396), (36, 2157830), (38, 2044260), (40, 1942047), (41, 1894680), (45, 1726264), (57, 1362840), (60, 1294698), (72, 1078915), (76, 1022130), (82, 947340), (90, 863132), (95, 817704), (114, 681420), (120, 647349), (123, 631560), (152, 511065), (164, 473670), (171, 454280), (180, 431566), (190, 408852), (205, 378936), (228, 340710), (246, 315780), (277, 280440), (285, 272568), (328, 236835), (342, 227140), (360, 215783), (369, 210520), (380, 204426), (410, 189468), (456, 170355), (492, 157890), (554, 140220), (570, 136284), (615, 126312), (684, 113570), (738, 105260), (760, 102213), (779, 99720), (820, 94734), (831, 93480), (855, 90856), (984, 78945), (1108, 70110), (1140, 68142), (1230, 63156), (1368, 56785), (1385, 56088), (1476, 52630), (1558, 49860), (1640, 47367), (1662, 46740), (1710, 45428), (1845, 42104), (2216, 35055), (2280, 34071), (2337, 33240), (2460, 31578), (2493, 31160), (2770, 28044), (2952, 26315), (3116, 24930), (3324, 23370), (3420, 22714), (3690, 21052), (3895, 19944), (4155, 18696), (4674, 16620), (4920, 15789), (4986, 15580), (5263, 14760), (5540, 14022), (6232, 12465), (6648, 11685), (6840, 11357), (7011, 11080), (7380, 10526), (7790, 9972), (8310, 9348)]