78486181920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:210

約数の個数: 1152

約数和(自身を含む): 311200081920

約数和(自身を除く): 232713900000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 32, 36, 37, 38, 40, 41, 45, 48, 57, 60, 61, 62, 72, 74, 76, 80, 82, 90, 93, 95, 96, 111, 114, 120, 122, 123, 124, 144, 148, 152, 155, 160, 164, 171, 180, 183, 185, 186, 190, 205, 222, 228, 240, 244, 246, 248, 279, 285, 288, 296, 304, 305, 310, 328, 333, 342, 360, 366, 369, 370, 372, 380, 410, 444, 456, 465, 480, 488, 492, 496, 549, 555, 558, 570, 589, 592, 608, 610, 615, 620, 656, 666, 684, 703, 720, 732, 738, 740, 744, 760, 779, 820, 855, 888, 912, 915, 930, 976, 984, 992, 1098, 1110, 1116, 1140, 1147, 1159, 1178, 1184, 1220, 1230, 1240, 1271, 1312, 1332, 1368, 1395, 1406, 1440, 1464, 1476, 1480, 1488, 1517, 1520, 1558, 1640, 1665, 1710, 1767, 1776, 1824, 1830, 1845, 1860, 1891, 1952, 1968, 2109, 2196, 2220, 2232, 2257, 2280, 2294, 2318, 2337, 2356, 2440, 2460, 2480, 2501, 2542, 2664, 2736, 2745, 2790, 2812, 2928, 2945, 2952, 2960, 2976, 3034, 3040, 3116, 3280, 3330, 3420, 3441, 3477, 3515, 3534, 3552, 3660, 3690, 3720, 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約数ペア:

[(1, 78486181920), (2, 39243090960), (3, 26162060640), (4, 19621545480), (5, 15697236384), (6, 13081030320), (8, 9810772740), (9, 8720686880), (10, 7848618192), (12, 6540515160), (15, 5232412128), (16, 4905386370), (18, 4360343440), (19, 4130851680), (20, 3924309096), (24, 3270257580), (30, 2616206064), (31, 2531812320), (32, 2452693185), (36, 2180171720), (37, 2121248160), (38, 2065425840), (40, 1962154548), (41, 1914297120), (45, 1744137376), (48, 1635128790), (57, 1376950560), (60, 1308103032), (61, 1286658720), (62, 1265906160), (72, 1090085860), (74, 1060624080), (76, 1032712920), (80, 981077274), (82, 957148560), (90, 872068688), (93, 843937440), (95, 826170336), (96, 817564395), (111, 707082720), (114, 688475280), (120, 654051516), (122, 643329360), (123, 638099040), (124, 632953080), (144, 545042930), (148, 530312040), (152, 516356460), (155, 506362464), (160, 490538637), (164, 478574280), (171, 458983520), (180, 436034344), (183, 428886240), (185, 424249632), (186, 421968720), 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