66612800

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 168

約数和(自身を含む): 181416960

約数和(自身を除く): 114804160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 79, 80, 85, 100, 124, 136, 155, 158, 160, 170, 200, 248, 272, 310, 316, 320, 340, 395, 400, 425, 496, 527, 544, 620, 632, 680, 775, 790, 800, 850, 992, 1054, 1088, 1240, 1264, 1343, 1360, 1550, 1580, 1600, 1700, 1975, 1984, 2108, 2449, 2480, 2528, 2635, 2686, 2720, 3100, 3160, 3400, 3950, 4216, 4898, 4960, 5056, 5270, 5372, 5440, 6200, 6320, 6715, 6800, 7900, 8432, 9796, 9920, 10540, 10744, 12245, 12400, 12640, 13175, 13430, 13600, 15800, 16864, 19592, 21080, 21488, 24490, 24800, 25280, 26350, 26860, 27200, 31600, 33575, 33728, 39184, 41633, 42160, 42976, 48980, 49600, 52700, 53720, 61225, 63200, 67150, 78368, 83266, 84320, 85952, 97960, 105400, 107440, 122450, 126400, 134300, 156736, 166532, 168640, 195920, 208165, 210800, 214880, 244900, 268600, 333064, 391840, 416330, 421600, 429760, 489800, 537200, 666128, 783680, 832660, 843200, 979600, 1040825, 1074400, 1332256, 1665320, 1959200, 2081650, 2148800, 2664512, 3330640, 3918400, 4163300, 6661280, 8326600, 13322560, 16653200, 33306400, 66612800]

約数ペア:

[(1, 66612800), (2, 33306400), (4, 16653200), (5, 13322560), (8, 8326600), (10, 6661280), (16, 4163300), (17, 3918400), (20, 3330640), (25, 2664512), (31, 2148800), (32, 2081650), (34, 1959200), (40, 1665320), (50, 1332256), (62, 1074400), (64, 1040825), (68, 979600), (79, 843200), (80, 832660), (85, 783680), (100, 666128), (124, 537200), (136, 489800), (155, 429760), (158, 421600), (160, 416330), (170, 391840), (200, 333064), (248, 268600), (272, 244900), (310, 214880), (316, 210800), (320, 208165), (340, 195920), (395, 168640), (400, 166532), (425, 156736), (496, 134300), (527, 126400), (544, 122450), (620, 107440), (632, 105400), (680, 97960), (775, 85952), (790, 84320), (800, 83266), (850, 78368), (992, 67150), (1054, 63200), (1088, 61225), (1240, 53720), (1264, 52700), (1343, 49600), (1360, 48980), (1550, 42976), (1580, 42160), (1600, 41633), (1700, 39184), (1975, 33728), (1984, 33575), (2108, 31600), (2449, 27200), (2480, 26860), (2528, 26350), (2635, 25280), (2686, 24800), (2720, 24490), (3100, 21488), (3160, 21080), (3400, 19592), (3950, 16864), (4216, 15800), (4898, 13600), (4960, 13430), (5056, 13175), (5270, 12640), (5372, 12400), (5440, 12245), (6200, 10744), (6320, 10540), (6715, 9920), (6800, 9796), (7900, 8432)]