279747720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3636

約数の個数: 192

約数和(自身を含む): 1072880640

約数和(自身を除く): 793132920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3581, 3720, 3906, 4340, 5208, 5580, 6510, 7162, 7812, 8680, 9765, 10743, 11160, 13020, 14324, 15624, 17905, 19530, 21486, 25067, 26040, 28648, 32229, 35810, 39060, 42972, 50134, 53715, 64458, 71620, 75201, 78120, 85944, 100268, 107430, 111011, 125335, 128916, 143240, 150402, 161145, 200536, 214860, 222022, 225603, 250670, 257832, 300804, 322290, 333033, 376005, 429720, 444044, 451206, 501340, 555055, 601608, 644580, 666066, 752010, 777077, 888088, 902412, 999099, 1002680, 1110110, 1128015, 1289160, 1332132, 1504020, 1554154, 1665165, 1804824, 1998198, 2220220, 2256030, 2331231, 2664264, 3008040, 3108308, 3330330, 3885385, 3996396, 4440440, 4512060, 4662462, 4995495, 6216616, 6660660, 6993693, 7770770, 7992792, 9024120, 9324924, 9990990, 11656155, 13321320, 13987386, 15541540, 18649848, 19981980, 23312310, 27974772, 31083080, 34968465, 39963960, 46624620, 55949544, 69936930, 93249240, 139873860, 279747720]

約数ペア:

[(1, 279747720), (2, 139873860), (3, 93249240), (4, 69936930), (5, 55949544), (6, 46624620), (7, 39963960), (8, 34968465), (9, 31083080), (10, 27974772), (12, 23312310), (14, 19981980), (15, 18649848), (18, 15541540), (20, 13987386), (21, 13321320), (24, 11656155), (28, 9990990), (30, 9324924), (31, 9024120), (35, 7992792), (36, 7770770), (40, 6993693), (42, 6660660), (45, 6216616), (56, 4995495), (60, 4662462), (62, 4512060), (63, 4440440), (70, 3996396), (72, 3885385), (84, 3330330), (90, 3108308), (93, 3008040), (105, 2664264), (120, 2331231), (124, 2256030), (126, 2220220), (140, 1998198), (155, 1804824), (168, 1665165), (180, 1554154), (186, 1504020), (210, 1332132), (217, 1289160), (248, 1128015), (252, 1110110), (279, 1002680), (280, 999099), (310, 902412), (315, 888088), (360, 777077), (372, 752010), (420, 666066), (434, 644580), (465, 601608), (504, 555055), (558, 501340), (620, 451206), (630, 444044), (651, 429720), (744, 376005), (840, 333033), (868, 322290), (930, 300804), (1085, 257832), (1116, 250670), (1240, 225603), (1260, 222022), (1302, 214860), (1395, 200536), (1736, 161145), (1860, 150402), (1953, 143240), (2170, 128916), (2232, 125335), (2520, 111011), (2604, 107430), (2790, 100268), (3255, 85944), (3581, 78120), (3720, 75201), (3906, 71620), (4340, 64458), (5208, 53715), (5580, 50134), (6510, 42972), (7162, 39060), (7812, 35810), (8680, 32229), (9765, 28648), (10743, 26040), (11160, 25067), (13020, 21486), (14324, 19530), (15624, 17905)]