90219780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 216

約数和(自身を含む): 326034072

約数和(自身を除く): 235814292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 53, 60, 63, 70, 84, 90, 98, 105, 106, 126, 140, 147, 159, 180, 193, 196, 210, 212, 245, 252, 265, 294, 315, 318, 371, 386, 420, 441, 477, 490, 530, 579, 588, 630, 636, 735, 742, 772, 795, 882, 954, 965, 980, 1060, 1113, 1158, 1260, 1351, 1470, 1484, 1590, 1737, 1764, 1855, 1908, 1930, 2205, 2226, 2316, 2385, 2597, 2702, 2895, 2940, 3180, 3339, 3474, 3710, 3860, 4053, 4410, 4452, 4770, 5194, 5404, 5565, 5790, 6678, 6755, 6948, 7420, 7791, 8106, 8685, 8820, 9457, 9540, 10229, 10388, 11130, 11580, 12159, 12985, 13356, 13510, 15582, 16212, 16695, 17370, 18914, 20265, 20458, 22260, 23373, 24318, 25970, 27020, 28371, 30687, 31164, 33390, 34740, 37828, 38955, 40530, 40916, 46746, 47285, 48636, 51145, 51940, 56742, 60795, 61374, 66780, 71603, 77910, 81060, 85113, 92061, 93492, 94570, 102290, 113484, 116865, 121590, 122748, 141855, 143206, 153435, 155820, 170226, 184122, 189140, 204580, 214809, 233730, 243180, 283710, 286412, 306870, 340452, 358015, 368244, 425565, 429618, 460305, 467460, 501221, 567420, 613740, 644427, 716030, 851130, 859236, 920610, 1002442, 1074045, 1288854, 1432060, 1503663, 1702260, 1841220, 2004884, 2148090, 2506105, 2577708, 3007326, 3222135, 4296180, 4510989, 5012210, 6014652, 6444270, 7518315, 9021978, 10024420, 12888540, 15036630, 18043956, 22554945, 30073260, 45109890, 90219780]

約数ペア:

[(1, 90219780), (2, 45109890), (3, 30073260), (4, 22554945), (5, 18043956), (6, 15036630), (7, 12888540), (9, 10024420), (10, 9021978), (12, 7518315), (14, 6444270), (15, 6014652), (18, 5012210), (20, 4510989), (21, 4296180), (28, 3222135), (30, 3007326), (35, 2577708), (36, 2506105), (42, 2148090), (45, 2004884), (49, 1841220), (53, 1702260), (60, 1503663), (63, 1432060), (70, 1288854), (84, 1074045), (90, 1002442), (98, 920610), (105, 859236), (106, 851130), (126, 716030), (140, 644427), (147, 613740), (159, 567420), (180, 501221), (193, 467460), (196, 460305), (210, 429618), (212, 425565), (245, 368244), (252, 358015), (265, 340452), (294, 306870), (315, 286412), (318, 283710), (371, 243180), (386, 233730), (420, 214809), (441, 204580), (477, 189140), (490, 184122), (530, 170226), (579, 155820), (588, 153435), (630, 143206), (636, 141855), (735, 122748), (742, 121590), (772, 116865), (795, 113484), (882, 102290), (954, 94570), (965, 93492), (980, 92061), (1060, 85113), (1113, 81060), (1158, 77910), (1260, 71603), (1351, 66780), (1470, 61374), (1484, 60795), (1590, 56742), (1737, 51940), (1764, 51145), (1855, 48636), (1908, 47285), (1930, 46746), (2205, 40916), (2226, 40530), (2316, 38955), (2385, 37828), (2597, 34740), (2702, 33390), (2895, 31164), (2940, 30687), (3180, 28371), (3339, 27020), (3474, 25970), (3710, 24318), (3860, 23373), (4053, 22260), (4410, 20458), (4452, 20265), (4770, 18914), (5194, 17370), (5404, 16695), (5565, 16212), (5790, 15582), (6678, 13510), (6755, 13356), (6948, 12985), (7420, 12159), (7791, 11580), (8106, 11130), (8685, 10388), (8820, 10229), (9457, 9540)]