90085840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 244984320

約数和(自身を除く): 154898480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 47, 52, 65, 76, 80, 94, 95, 97, 104, 130, 152, 188, 190, 194, 208, 235, 247, 260, 304, 376, 380, 388, 470, 485, 494, 520, 611, 752, 760, 776, 893, 940, 970, 988, 1040, 1222, 1235, 1261, 1520, 1552, 1786, 1843, 1880, 1940, 1976, 2444, 2470, 2522, 3055, 3572, 3686, 3760, 3880, 3952, 4465, 4559, 4888, 4940, 5044, 6110, 6305, 7144, 7372, 7760, 8930, 9118, 9215, 9776, 9880, 10088, 11609, 12220, 12610, 14288, 14744, 17860, 18236, 18430, 19760, 20176, 22795, 23218, 23959, 24440, 25220, 29488, 35720, 36472, 36860, 45590, 46436, 47918, 48880, 50440, 58045, 59267, 71440, 72944, 73720, 86621, 91180, 92872, 95836, 100880, 116090, 118534, 119795, 147440, 173242, 182360, 185744, 191672, 232180, 237068, 239590, 296335, 346484, 364720, 383344, 433105, 464360, 474136, 479180, 592670, 692968, 866210, 928720, 948272, 958360, 1126073, 1185340, 1385936, 1732420, 1916720, 2252146, 2370680, 3464840, 4504292, 4741360, 5630365, 6929680, 9008584, 11260730, 18017168, 22521460, 45042920, 90085840]

約数ペア:

[(1, 90085840), (2, 45042920), (4, 22521460), (5, 18017168), (8, 11260730), (10, 9008584), (13, 6929680), (16, 5630365), (19, 4741360), (20, 4504292), (26, 3464840), (38, 2370680), (40, 2252146), (47, 1916720), (52, 1732420), (65, 1385936), (76, 1185340), (80, 1126073), (94, 958360), (95, 948272), (97, 928720), (104, 866210), (130, 692968), (152, 592670), (188, 479180), (190, 474136), (194, 464360), (208, 433105), (235, 383344), (247, 364720), (260, 346484), (304, 296335), (376, 239590), (380, 237068), (388, 232180), (470, 191672), (485, 185744), (494, 182360), (520, 173242), (611, 147440), (752, 119795), (760, 118534), (776, 116090), (893, 100880), (940, 95836), (970, 92872), (988, 91180), (1040, 86621), (1222, 73720), (1235, 72944), (1261, 71440), (1520, 59267), (1552, 58045), (1786, 50440), (1843, 48880), (1880, 47918), (1940, 46436), (1976, 45590), (2444, 36860), (2470, 36472), (2522, 35720), (3055, 29488), (3572, 25220), (3686, 24440), (3760, 23959), (3880, 23218), (3952, 22795), (4465, 20176), (4559, 19760), (4888, 18430), (4940, 18236), (5044, 17860), (6110, 14744), (6305, 14288), (7144, 12610), (7372, 12220), (7760, 11609), (8930, 10088), (9118, 9880), (9215, 9776)]