90900180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3838

約数の個数: 144

約数和(自身を含む): 331793280

約数和(自身を除く): 240893100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3797, 3990, 4788, 5985, 7594, 7980, 11391, 11970, 15188, 18985, 22782, 23940, 26579, 34173, 37970, 45564, 53158, 56955, 68346, 72143, 75940, 79737, 106316, 113910, 132895, 136692, 144286, 159474, 170865, 216429, 227820, 239211, 265790, 288572, 318948, 341730, 360715, 398685, 432858, 478422, 505001, 531580, 649287, 683460, 721430, 797370, 865716, 956844, 1010002, 1082145, 1196055, 1298574, 1442860, 1515003, 1594740, 2020004, 2164290, 2392110, 2525005, 2597148, 3030006, 3246435, 4328580, 4545009, 4784220, 5050010, 6060012, 6492870, 7575015, 9090018, 10100020, 12985740, 15150030, 18180036, 22725045, 30300060, 45450090, 90900180]

約数ペア:

[(1, 90900180), (2, 45450090), (3, 30300060), (4, 22725045), (5, 18180036), (6, 15150030), (7, 12985740), (9, 10100020), (10, 9090018), (12, 7575015), (14, 6492870), (15, 6060012), (18, 5050010), (19, 4784220), (20, 4545009), (21, 4328580), (28, 3246435), (30, 3030006), (35, 2597148), (36, 2525005), (38, 2392110), (42, 2164290), (45, 2020004), (57, 1594740), (60, 1515003), (63, 1442860), (70, 1298574), (76, 1196055), (84, 1082145), (90, 1010002), (95, 956844), (105, 865716), (114, 797370), (126, 721430), (133, 683460), (140, 649287), (171, 531580), (180, 505001), (190, 478422), (210, 432858), (228, 398685), (252, 360715), (266, 341730), (285, 318948), (315, 288572), (342, 265790), (380, 239211), (399, 227820), (420, 216429), (532, 170865), (570, 159474), (630, 144286), (665, 136692), (684, 132895), (798, 113910), (855, 106316), (1140, 79737), (1197, 75940), (1260, 72143), (1330, 68346), (1596, 56955), (1710, 53158), (1995, 45564), (2394, 37970), (2660, 34173), (3420, 26579), (3797, 23940), (3990, 22782), (4788, 18985), (5985, 15188), (7594, 11970), (7980, 11391)]