90123200

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 241889280

約数和(自身を除く): 151766080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 64, 79, 80, 92, 100, 115, 124, 155, 158, 160, 184, 200, 230, 248, 310, 316, 320, 368, 395, 400, 460, 496, 575, 620, 632, 713, 736, 775, 790, 800, 920, 992, 1150, 1240, 1264, 1426, 1472, 1550, 1580, 1600, 1817, 1840, 1975, 1984, 2300, 2449, 2480, 2528, 2852, 3100, 3160, 3565, 3634, 3680, 3950, 4600, 4898, 4960, 5056, 5704, 6200, 6320, 7130, 7268, 7360, 7900, 9085, 9200, 9796, 9920, 11408, 12245, 12400, 12640, 14260, 14536, 15800, 17825, 18170, 18400, 19592, 22816, 24490, 24800, 25280, 28520, 29072, 31600, 35650, 36340, 36800, 39184, 45425, 45632, 48980, 49600, 56327, 57040, 58144, 61225, 63200, 71300, 72680, 78368, 90850, 97960, 112654, 114080, 116288, 122450, 126400, 142600, 145360, 156736, 181700, 195920, 225308, 228160, 244900, 281635, 285200, 290720, 363400, 391840, 450616, 489800, 563270, 570400, 581440, 726800, 783680, 901232, 979600, 1126540, 1140800, 1408175, 1453600, 1802464, 1959200, 2253080, 2816350, 2907200, 3604928, 3918400, 4506160, 5632700, 9012320, 11265400, 18024640, 22530800, 45061600, 90123200]

約数ペア:

[(1, 90123200), (2, 45061600), (4, 22530800), (5, 18024640), (8, 11265400), (10, 9012320), (16, 5632700), (20, 4506160), (23, 3918400), (25, 3604928), (31, 2907200), (32, 2816350), (40, 2253080), (46, 1959200), (50, 1802464), (62, 1453600), (64, 1408175), (79, 1140800), (80, 1126540), (92, 979600), (100, 901232), (115, 783680), (124, 726800), (155, 581440), (158, 570400), (160, 563270), (184, 489800), (200, 450616), (230, 391840), (248, 363400), (310, 290720), (316, 285200), (320, 281635), (368, 244900), (395, 228160), (400, 225308), (460, 195920), (496, 181700), (575, 156736), (620, 145360), (632, 142600), (713, 126400), (736, 122450), (775, 116288), (790, 114080), (800, 112654), (920, 97960), (992, 90850), (1150, 78368), (1240, 72680), (1264, 71300), (1426, 63200), (1472, 61225), (1550, 58144), (1580, 57040), (1600, 56327), (1817, 49600), (1840, 48980), (1975, 45632), (1984, 45425), (2300, 39184), (2449, 36800), (2480, 36340), (2528, 35650), (2852, 31600), (3100, 29072), (3160, 28520), (3565, 25280), (3634, 24800), (3680, 24490), (3950, 22816), (4600, 19592), (4898, 18400), (4960, 18170), (5056, 17825), (5704, 15800), (6200, 14536), (6320, 14260), (7130, 12640), (7268, 12400), (7360, 12245), (7900, 11408), (9085, 9920), (9200, 9796)]