64891890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 209454336

約数和(自身を除く): 144562446

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 73, 83, 85, 90, 102, 105, 119, 126, 146, 153, 166, 170, 210, 219, 238, 249, 255, 306, 315, 357, 365, 415, 438, 498, 510, 511, 581, 595, 630, 657, 714, 730, 747, 765, 830, 1022, 1071, 1095, 1162, 1190, 1241, 1245, 1314, 1411, 1494, 1530, 1533, 1743, 1785, 2142, 2190, 2482, 2490, 2555, 2822, 2905, 3066, 3285, 3486, 3570, 3723, 3735, 4233, 4599, 5110, 5229, 5355, 5810, 6059, 6205, 6570, 7055, 7446, 7470, 7665, 8466, 8687, 8715, 9198, 9877, 10458, 10710, 11169, 12118, 12410, 12699, 14110, 15330, 17374, 17430, 18177, 18615, 19754, 21165, 22338, 22995, 25398, 26061, 26145, 29631, 30295, 36354, 37230, 42330, 42413, 43435, 45990, 49385, 52122, 52290, 54531, 55845, 59262, 60590, 63495, 78183, 84826, 86870, 88893, 90885, 98770, 103003, 109062, 111690, 126990, 127239, 130305, 148155, 156366, 177786, 181770, 206006, 212065, 254478, 260610, 272655, 296310, 309009, 381717, 390915, 424130, 444465, 515015, 545310, 618018, 636195, 721021, 763434, 781830, 888930, 927027, 1030030, 1272390, 1442042, 1545045, 1854054, 1908585, 2163063, 3090090, 3605105, 3817170, 4326126, 4635135, 6489189, 7210210, 9270270, 10815315, 12978378, 21630630, 32445945, 64891890]

約数ペア:

[(1, 64891890), (2, 32445945), (3, 21630630), (5, 12978378), (6, 10815315), (7, 9270270), (9, 7210210), (10, 6489189), (14, 4635135), (15, 4326126), (17, 3817170), (18, 3605105), (21, 3090090), (30, 2163063), (34, 1908585), (35, 1854054), (42, 1545045), (45, 1442042), (51, 1272390), (63, 1030030), (70, 927027), (73, 888930), (83, 781830), (85, 763434), (90, 721021), (102, 636195), (105, 618018), (119, 545310), (126, 515015), (146, 444465), (153, 424130), (166, 390915), (170, 381717), (210, 309009), (219, 296310), (238, 272655), (249, 260610), (255, 254478), (306, 212065), (315, 206006), (357, 181770), (365, 177786), (415, 156366), (438, 148155), (498, 130305), (510, 127239), (511, 126990), (581, 111690), (595, 109062), (630, 103003), (657, 98770), (714, 90885), (730, 88893), (747, 86870), (765, 84826), (830, 78183), (1022, 63495), (1071, 60590), (1095, 59262), (1162, 55845), (1190, 54531), (1241, 52290), (1245, 52122), (1314, 49385), (1411, 45990), (1494, 43435), (1530, 42413), (1533, 42330), (1743, 37230), (1785, 36354), (2142, 30295), (2190, 29631), (2482, 26145), (2490, 26061), (2555, 25398), (2822, 22995), (2905, 22338), (3066, 21165), (3285, 19754), (3486, 18615), (3570, 18177), (3723, 17430), (3735, 17374), (4233, 15330), (4599, 14110), (5110, 12699), (5229, 12410), (5355, 12118), (5810, 11169), (6059, 10710), (6205, 10458), (6570, 9877), (7055, 9198), (7446, 8715), (7470, 8687), (7665, 8466)]