21239107080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1\times {\mathrm{2383}}^1$

素因数の和:2688

約数の個数: 192

約数和(自身を含む): 67977757440

約数和(自身を除く): 46738650360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 257, 289, 340, 408, 510, 514, 578, 680, 771, 867, 1020, 1028, 1156, 1285, 1445, 1542, 1734, 2040, 2056, 2312, 2383, 2570, 2890, 3084, 3468, 3855, 4335, 4369, 4766, 5140, 5780, 6168, 6936, 7149, 7710, 8670, 8738, 9532, 10280, 11560, 11915, 13107, 14298, 15420, 17340, 17476, 19064, 21845, 23830, 26214, 28596, 30840, 34680, 34952, 35745, 40511, 43690, 47660, 52428, 57192, 65535, 71490, 74273, 81022, 87380, 95320, 104856, 121533, 131070, 142980, 148546, 162044, 174760, 202555, 222819, 243066, 262140, 285960, 297092, 324088, 371365, 405110, 445638, 486132, 524280, 594184, 607665, 612431, 688687, 742730, 810220, 891276, 972264, 1114095, 1215330, 1224862, 1377374, 1485460, 1620440, 1782552, 1837293, 2066061, 2228190, 2430660, 2449724, 2754748, 2970920, 3062155, 3443435, 3674586, 4132122, 4456380, 4861320, 4899448, 5509496, 6124310, 6886870, 7349172, 8264244, 8912760, 9186465, 10330305, 10411327, 12248620, 13773740, 14698344, 16528488, 18372930, 20660610, 20822654, 24497240, 27547480, 31233981, 36745860, 41321220, 41645308, 52056635, 62467962, 73491720, 82642440, 83290616, 104113270, 124935924, 156169905, 176992559, 208226540, 249871848, 312339810, 353985118, 416453080, 530977677, 624679620, 707970236, 884962795, 1061955354, 1249359240, 1415940472, 1769925590, 2123910708, 2654888385, 3539851180, 4247821416, 5309776770, 7079702360, 10619553540, 21239107080]

約数ペア:

[(1, 21239107080), (2, 10619553540), (3, 7079702360), (4, 5309776770), (5, 4247821416), (6, 3539851180), (8, 2654888385), (10, 2123910708), (12, 1769925590), (15, 1415940472), (17, 1249359240), (20, 1061955354), (24, 884962795), (30, 707970236), (34, 624679620), (40, 530977677), (51, 416453080), (60, 353985118), (68, 312339810), (85, 249871848), (102, 208226540), (120, 176992559), (136, 156169905), (170, 124935924), (204, 104113270), (255, 83290616), (257, 82642440), (289, 73491720), (340, 62467962), (408, 52056635), (510, 41645308), (514, 41321220), (578, 36745860), (680, 31233981), (771, 27547480), (867, 24497240), (1020, 20822654), (1028, 20660610), (1156, 18372930), (1285, 16528488), (1445, 14698344), (1542, 13773740), (1734, 12248620), (2040, 10411327), (2056, 10330305), (2312, 9186465), (2383, 8912760), (2570, 8264244), (2890, 7349172), (3084, 6886870), (3468, 6124310), (3855, 5509496), (4335, 4899448), (4369, 4861320), (4766, 4456380), (5140, 4132122), (5780, 3674586), (6168, 3443435), (6936, 3062155), (7149, 2970920), (7710, 2754748), (8670, 2449724), (8738, 2430660), (9532, 2228190), (10280, 2066061), (11560, 1837293), (11915, 1782552), (13107, 1620440), (14298, 1485460), (15420, 1377374), (17340, 1224862), (17476, 1215330), (19064, 1114095), (21845, 972264), (23830, 891276), (26214, 810220), (28596, 742730), (30840, 688687), (34680, 612431), (34952, 607665), (35745, 594184), (40511, 524280), (43690, 486132), (47660, 445638), (52428, 405110), (57192, 371365), (65535, 324088), (71490, 297092), (74273, 285960), (81022, 262140), (87380, 243066), (95320, 222819), (104856, 202555), (121533, 174760), (131070, 162044), (142980, 148546)]