18264800

素因数分解:

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

素因数の和:133

約数の個数: 108

約数和(自身を含む): 47965680

約数和(自身を除く): 29700880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 79, 80, 85, 100, 136, 158, 160, 170, 200, 272, 289, 316, 340, 395, 400, 425, 544, 578, 632, 680, 790, 800, 850, 1156, 1264, 1343, 1360, 1445, 1580, 1700, 1975, 2312, 2528, 2686, 2720, 2890, 3160, 3400, 3950, 4624, 5372, 5780, 6320, 6715, 6800, 7225, 7900, 9248, 10744, 11560, 12640, 13430, 13600, 14450, 15800, 21488, 22831, 23120, 26860, 28900, 31600, 33575, 42976, 45662, 46240, 53720, 57800, 63200, 67150, 91324, 107440, 114155, 115600, 134300, 182648, 214880, 228310, 231200, 268600, 365296, 456620, 537200, 570775, 730592, 913240, 1074400, 1141550, 1826480, 2283100, 3652960, 4566200, 9132400, 18264800]

約数ペア:

[(1, 18264800), (2, 9132400), (4, 4566200), (5, 3652960), (8, 2283100), (10, 1826480), (16, 1141550), (17, 1074400), (20, 913240), (25, 730592), (32, 570775), (34, 537200), (40, 456620), (50, 365296), (68, 268600), (79, 231200), (80, 228310), (85, 214880), (100, 182648), (136, 134300), (158, 115600), (160, 114155), (170, 107440), (200, 91324), (272, 67150), (289, 63200), (316, 57800), (340, 53720), (395, 46240), (400, 45662), (425, 42976), (544, 33575), (578, 31600), (632, 28900), (680, 26860), (790, 23120), (800, 22831), (850, 21488), (1156, 15800), (1264, 14450), (1343, 13600), (1360, 13430), (1445, 12640), (1580, 11560), (1700, 10744), (1975, 9248), (2312, 7900), (2528, 7225), (2686, 6800), (2720, 6715), (2890, 6320), (3160, 5780), (3400, 5372), (3950, 4624)]