621975120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:981

約数の個数: 160

約数和(自身を含む): 2086366464

約数和(自身を除く): 1464391344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 311, 312, 390, 520, 622, 624, 641, 780, 933, 1040, 1244, 1282, 1555, 1560, 1866, 1923, 2488, 2564, 3110, 3120, 3205, 3732, 3846, 4043, 4665, 4976, 5128, 6220, 6410, 7464, 7692, 8086, 8333, 9330, 9615, 10256, 12129, 12440, 12820, 14928, 15384, 16172, 16666, 18660, 19230, 20215, 24258, 24880, 24999, 25640, 30768, 32344, 33332, 37320, 38460, 40430, 41665, 48516, 49998, 51280, 60645, 64688, 66664, 74640, 76920, 80860, 83330, 97032, 99996, 121290, 124995, 133328, 153840, 161720, 166660, 194064, 199351, 199992, 242580, 249990, 323440, 333320, 398702, 399984, 485160, 499980, 598053, 666640, 797404, 970320, 996755, 999960, 1196106, 1594808, 1993510, 1999920, 2392212, 2591563, 2990265, 3189616, 3987020, 4784424, 5183126, 5980530, 7774689, 7974040, 9568848, 10366252, 11961060, 12957815, 15549378, 15948080, 20732504, 23922120, 25915630, 31098756, 38873445, 41465008, 47844240, 51831260, 62197512, 77746890, 103662520, 124395024, 155493780, 207325040, 310987560, 621975120]

約数ペア:

[(1, 621975120), (2, 310987560), (3, 207325040), (4, 155493780), (5, 124395024), (6, 103662520), (8, 77746890), (10, 62197512), (12, 51831260), (13, 47844240), (15, 41465008), (16, 38873445), (20, 31098756), (24, 25915630), (26, 23922120), (30, 20732504), (39, 15948080), (40, 15549378), (48, 12957815), (52, 11961060), (60, 10366252), (65, 9568848), (78, 7974040), (80, 7774689), (104, 5980530), (120, 5183126), (130, 4784424), (156, 3987020), (195, 3189616), (208, 2990265), (240, 2591563), (260, 2392212), (311, 1999920), (312, 1993510), (390, 1594808), (520, 1196106), (622, 999960), (624, 996755), (641, 970320), (780, 797404), (933, 666640), (1040, 598053), (1244, 499980), (1282, 485160), (1555, 399984), (1560, 398702), (1866, 333320), (1923, 323440), (2488, 249990), (2564, 242580), (3110, 199992), (3120, 199351), (3205, 194064), (3732, 166660), (3846, 161720), (4043, 153840), (4665, 133328), (4976, 124995), (5128, 121290), (6220, 99996), (6410, 97032), (7464, 83330), (7692, 80860), (8086, 76920), (8333, 74640), (9330, 66664), (9615, 64688), (10256, 60645), (12129, 51280), (12440, 49998), (12820, 48516), (14928, 41665), (15384, 40430), (16172, 38460), (16666, 37320), (18660, 33332), (19230, 32344), (20215, 30768), (24258, 25640), (24880, 24999)]