90651960

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{571}}^1$

素因数の和:608

約数の個数: 240

約数和(自身を含む): 355057560

約数和(自身を除く): 264405600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 571, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1142, 1176, 1260, 1323, 1470, 1512, 1620, 1713, 1764, 1890, 1960, 2205, 2268, 2284, 2520, 2646, 2835, 2855, 2940, 3240, 3426, 3528, 3780, 3969, 3997, 4410, 4536, 4568, 5139, 5292, 5670, 5710, 5880, 6615, 6852, 7560, 7938, 7994, 8565, 8820, 10278, 10584, 11340, 11420, 11991, 13230, 13704, 15417, 15876, 15988, 17130, 17640, 19845, 19985, 20556, 22680, 22840, 23982, 25695, 26460, 27979, 30834, 31752, 31976, 34260, 35973, 39690, 39970, 41112, 46251, 47964, 51390, 52920, 55958, 59955, 61668, 68520, 71946, 77085, 79380, 79940, 83937, 92502, 95928, 102780, 107919, 111916, 119910, 123336, 139895, 143892, 154170, 158760, 159880, 167874, 179865, 185004, 205560, 215838, 223832, 231255, 239820, 251811, 279790, 287784, 308340, 323757, 335748, 359730, 370008, 419685, 431676, 462510, 479640, 503622, 539595, 559580, 616680, 647514, 671496, 719460, 755433, 839370, 863352, 925020, 1007244, 1079190, 1119160, 1259055, 1295028, 1438920, 1510866, 1618785, 1678740, 1850040, 2014488, 2158380, 2266299, 2518110, 2590056, 3021732, 3237570, 3357480, 3777165, 4316760, 4532598, 5036220, 6043464, 6475140, 7554330, 9065196, 10072440, 11331495, 12950280, 15108660, 18130392, 22662990, 30217320, 45325980, 90651960]

約数ペア:

[(1, 90651960), (2, 45325980), (3, 30217320), (4, 22662990), (5, 18130392), (6, 15108660), (7, 12950280), (8, 11331495), (9, 10072440), (10, 9065196), (12, 7554330), (14, 6475140), (15, 6043464), (18, 5036220), (20, 4532598), (21, 4316760), (24, 3777165), (27, 3357480), (28, 3237570), (30, 3021732), (35, 2590056), (36, 2518110), (40, 2266299), (42, 2158380), (45, 2014488), (49, 1850040), (54, 1678740), (56, 1618785), (60, 1510866), (63, 1438920), (70, 1295028), (72, 1259055), (81, 1119160), (84, 1079190), (90, 1007244), (98, 925020), (105, 863352), (108, 839370), (120, 755433), (126, 719460), (135, 671496), (140, 647514), (147, 616680), (162, 559580), (168, 539595), (180, 503622), (189, 479640), (196, 462510), (210, 431676), (216, 419685), (245, 370008), (252, 359730), (270, 335748), (280, 323757), (294, 308340), (315, 287784), (324, 279790), (360, 251811), (378, 239820), (392, 231255), (405, 223832), (420, 215838), (441, 205560), (490, 185004), (504, 179865), (540, 167874), (567, 159880), (571, 158760), (588, 154170), (630, 143892), (648, 139895), (735, 123336), (756, 119910), (810, 111916), (840, 107919), (882, 102780), (945, 95928), (980, 92502), (1080, 83937), (1134, 79940), (1142, 79380), (1176, 77085), (1260, 71946), (1323, 68520), (1470, 61668), (1512, 59955), (1620, 55958), (1713, 52920), (1764, 51390), (1890, 47964), (1960, 46251), (2205, 41112), (2268, 39970), (2284, 39690), (2520, 35973), (2646, 34260), (2835, 31976), (2855, 31752), (2940, 30834), (3240, 27979), (3426, 26460), (3528, 25695), (3780, 23982), (3969, 22840), (3997, 22680), (4410, 20556), (4536, 19985), (4568, 19845), (5139, 17640), (5292, 17130), (5670, 15988), (5710, 15876), (5880, 15417), (6615, 13704), (6852, 13230), (7560, 11991), (7938, 11420), (7994, 11340), (8565, 10584), (8820, 10278)]