81072810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 192

約数和(自身を含む): 273611520

約数和(自身を除く): 192538710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 133, 171, 182, 190, 195, 210, 234, 247, 266, 273, 285, 315, 342, 390, 399, 455, 494, 521, 546, 570, 585, 630, 665, 741, 798, 819, 855, 910, 1042, 1170, 1197, 1235, 1330, 1365, 1482, 1563, 1638, 1710, 1729, 1995, 2223, 2394, 2470, 2605, 2730, 3126, 3458, 3647, 3705, 3990, 4095, 4446, 4689, 5187, 5210, 5985, 6773, 7294, 7410, 7815, 8190, 8645, 9378, 9899, 10374, 10941, 11115, 11970, 13546, 15561, 15630, 17290, 18235, 19798, 20319, 21882, 22230, 23445, 25935, 29697, 31122, 32823, 33865, 36470, 40638, 46890, 47411, 49495, 51870, 54705, 59394, 60957, 65646, 67730, 69293, 77805, 89091, 94822, 98990, 101595, 109410, 121914, 128687, 138586, 142233, 148485, 155610, 164115, 178182, 203190, 207879, 237055, 257374, 284466, 296970, 304785, 328230, 346465, 386061, 415758, 426699, 445455, 474110, 609570, 623637, 643435, 692930, 711165, 772122, 853398, 890910, 900809, 1039395, 1158183, 1247274, 1286870, 1422330, 1801618, 1930305, 2078790, 2133495, 2316366, 2702427, 3118185, 3860610, 4266990, 4504045, 5404854, 5790915, 6236370, 8107281, 9008090, 11581830, 13512135, 16214562, 27024270, 40536405, 81072810]

約数ペア:

[(1, 81072810), (2, 40536405), (3, 27024270), (5, 16214562), (6, 13512135), (7, 11581830), (9, 9008090), (10, 8107281), (13, 6236370), (14, 5790915), (15, 5404854), (18, 4504045), (19, 4266990), (21, 3860610), (26, 3118185), (30, 2702427), (35, 2316366), (38, 2133495), (39, 2078790), (42, 1930305), (45, 1801618), (57, 1422330), (63, 1286870), (65, 1247274), (70, 1158183), (78, 1039395), (90, 900809), (91, 890910), (95, 853398), (105, 772122), (114, 711165), (117, 692930), (126, 643435), (130, 623637), (133, 609570), (171, 474110), (182, 445455), (190, 426699), (195, 415758), (210, 386061), (234, 346465), (247, 328230), (266, 304785), (273, 296970), (285, 284466), (315, 257374), (342, 237055), (390, 207879), (399, 203190), (455, 178182), (494, 164115), (521, 155610), (546, 148485), (570, 142233), (585, 138586), (630, 128687), (665, 121914), (741, 109410), (798, 101595), (819, 98990), (855, 94822), (910, 89091), (1042, 77805), (1170, 69293), (1197, 67730), (1235, 65646), (1330, 60957), (1365, 59394), (1482, 54705), (1563, 51870), (1638, 49495), (1710, 47411), (1729, 46890), (1995, 40638), (2223, 36470), (2394, 33865), (2470, 32823), (2605, 31122), (2730, 29697), (3126, 25935), (3458, 23445), (3647, 22230), (3705, 21882), (3990, 20319), (4095, 19798), (4446, 18235), (4689, 17290), (5187, 15630), (5210, 15561), (5985, 13546), (6773, 11970), (7294, 11115), (7410, 10941), (7815, 10374), (8190, 9899), (8645, 9378)]