74179980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 259930944

約数和(自身を除く): 185750964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 521, 565, 630, 678, 791, 1017, 1042, 1130, 1260, 1356, 1563, 1582, 1695, 2034, 2084, 2260, 2373, 2605, 3126, 3164, 3390, 3647, 3955, 4068, 4689, 4746, 5085, 5210, 6252, 6780, 7119, 7294, 7815, 7910, 9378, 9492, 10170, 10420, 10941, 11865, 14238, 14588, 15630, 15820, 18235, 18756, 20340, 21882, 23445, 23730, 28476, 31260, 32823, 35595, 36470, 43764, 46890, 47460, 54705, 58873, 65646, 71190, 72940, 93780, 109410, 117746, 131292, 142380, 164115, 176619, 218820, 235492, 294365, 328230, 353238, 412111, 529857, 588730, 656460, 706476, 824222, 883095, 1059714, 1177460, 1236333, 1648444, 1766190, 2060555, 2119428, 2472666, 2649285, 3532380, 3708999, 4121110, 4945332, 5298570, 6181665, 7417998, 8242220, 10597140, 12363330, 14835996, 18544995, 24726660, 37089990, 74179980]

約数ペア:

[(1, 74179980), (2, 37089990), (3, 24726660), (4, 18544995), (5, 14835996), (6, 12363330), (7, 10597140), (9, 8242220), (10, 7417998), (12, 6181665), (14, 5298570), (15, 4945332), (18, 4121110), (20, 3708999), (21, 3532380), (28, 2649285), (30, 2472666), (35, 2119428), (36, 2060555), (42, 1766190), (45, 1648444), (60, 1236333), (63, 1177460), (70, 1059714), (84, 883095), (90, 824222), (105, 706476), (113, 656460), (126, 588730), (140, 529857), (180, 412111), (210, 353238), (226, 328230), (252, 294365), (315, 235492), (339, 218820), (420, 176619), (452, 164115), (521, 142380), (565, 131292), (630, 117746), (678, 109410), (791, 93780), (1017, 72940), (1042, 71190), (1130, 65646), (1260, 58873), (1356, 54705), (1563, 47460), (1582, 46890), (1695, 43764), (2034, 36470), (2084, 35595), (2260, 32823), (2373, 31260), (2605, 28476), (3126, 23730), (3164, 23445), (3390, 21882), (3647, 20340), (3955, 18756), (4068, 18235), (4689, 15820), (4746, 15630), (5085, 14588), (5210, 14238), (6252, 11865), (6780, 10941), (7119, 10420), (7294, 10170), (7815, 9492), (7910, 9378)]