291223920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3011}}^1$

素因数の和:3071

約数の個数: 160

約数和(自身を含む): 1003935744

約数和(自身を除く): 712711824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 3011, 3120, 3224, 3720, 4030, 4836, 6022, 6045, 6448, 7440, 8060, 9033, 9672, 12044, 12090, 15055, 16120, 18066, 19344, 24088, 24180, 30110, 32240, 36132, 39143, 45165, 48176, 48360, 60220, 72264, 78286, 90330, 93341, 96720, 117429, 120440, 144528, 156572, 180660, 186682, 195715, 234858, 240880, 280023, 313144, 361320, 373364, 391430, 466705, 469716, 560046, 587145, 626288, 722640, 746728, 782860, 933410, 939432, 1120092, 1174290, 1213433, 1400115, 1493456, 1565720, 1866820, 1878864, 2240184, 2348580, 2426866, 2800230, 3131440, 3640299, 3733640, 4480368, 4697160, 4853732, 5600460, 6067165, 7280598, 7467280, 9394320, 9707464, 11200920, 12134330, 14561196, 18201495, 19414928, 22401840, 24268660, 29122392, 36402990, 48537320, 58244784, 72805980, 97074640, 145611960, 291223920]

約数ペア:

[(1, 291223920), (2, 145611960), (3, 97074640), (4, 72805980), (5, 58244784), (6, 48537320), (8, 36402990), (10, 29122392), (12, 24268660), (13, 22401840), (15, 19414928), (16, 18201495), (20, 14561196), (24, 12134330), (26, 11200920), (30, 9707464), (31, 9394320), (39, 7467280), (40, 7280598), (48, 6067165), (52, 5600460), (60, 4853732), (62, 4697160), (65, 4480368), (78, 3733640), (80, 3640299), (93, 3131440), (104, 2800230), (120, 2426866), (124, 2348580), (130, 2240184), (155, 1878864), (156, 1866820), (186, 1565720), (195, 1493456), (208, 1400115), (240, 1213433), (248, 1174290), (260, 1120092), (310, 939432), (312, 933410), (372, 782860), (390, 746728), (403, 722640), (465, 626288), (496, 587145), (520, 560046), (620, 469716), (624, 466705), (744, 391430), (780, 373364), (806, 361320), (930, 313144), (1040, 280023), (1209, 240880), (1240, 234858), (1488, 195715), (1560, 186682), (1612, 180660), (1860, 156572), (2015, 144528), (2418, 120440), (2480, 117429), (3011, 96720), (3120, 93341), (3224, 90330), (3720, 78286), (4030, 72264), (4836, 60220), (6022, 48360), (6045, 48176), (6448, 45165), (7440, 39143), (8060, 36132), (9033, 32240), (9672, 30110), (12044, 24180), (12090, 24088), (15055, 19344), (16120, 18066)]