64400760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 222697800

約数和(自身を除く): 158297040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 619, 680, 765, 867, 1020, 1156, 1224, 1238, 1445, 1530, 1734, 1857, 2040, 2312, 2476, 2601, 2890, 3060, 3095, 3468, 3714, 4335, 4952, 5202, 5571, 5780, 6120, 6190, 6936, 7428, 8670, 9285, 10404, 10523, 11142, 11560, 12380, 13005, 14856, 17340, 18570, 20808, 21046, 22284, 24760, 26010, 27855, 31569, 34680, 37140, 42092, 44568, 52020, 52615, 55710, 63138, 74280, 84184, 94707, 104040, 105230, 111420, 126276, 157845, 178891, 189414, 210460, 222840, 252552, 315690, 357782, 378828, 420920, 473535, 536673, 631380, 715564, 757656, 894455, 947070, 1073346, 1262760, 1431128, 1610019, 1788910, 1894140, 2146692, 2683365, 3220038, 3577820, 3788280, 4293384, 5366730, 6440076, 7155640, 8050095, 10733460, 12880152, 16100190, 21466920, 32200380, 64400760]

約数ペア:

[(1, 64400760), (2, 32200380), (3, 21466920), (4, 16100190), (5, 12880152), (6, 10733460), (8, 8050095), (9, 7155640), (10, 6440076), (12, 5366730), (15, 4293384), (17, 3788280), (18, 3577820), (20, 3220038), (24, 2683365), (30, 2146692), (34, 1894140), (36, 1788910), (40, 1610019), (45, 1431128), (51, 1262760), (60, 1073346), (68, 947070), (72, 894455), (85, 757656), (90, 715564), (102, 631380), (120, 536673), (136, 473535), (153, 420920), (170, 378828), (180, 357782), (204, 315690), (255, 252552), (289, 222840), (306, 210460), (340, 189414), (360, 178891), (408, 157845), (510, 126276), (578, 111420), (612, 105230), (619, 104040), (680, 94707), (765, 84184), (867, 74280), (1020, 63138), (1156, 55710), (1224, 52615), (1238, 52020), (1445, 44568), (1530, 42092), (1734, 37140), (1857, 34680), (2040, 31569), (2312, 27855), (2476, 26010), (2601, 24760), (2890, 22284), (3060, 21046), (3095, 20808), (3468, 18570), (3714, 17340), (4335, 14856), (4952, 13005), (5202, 12380), (5571, 11560), (5780, 11142), (6120, 10523), (6190, 10404), (6936, 9285), (7428, 8670)]