1990244640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2267}}^1$

素因数の和:2375

約数の個数: 192

約数和(自身を含む): 6584094720

約数和(自身を除く): 4593850080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 59, 60, 62, 80, 93, 96, 118, 120, 124, 155, 160, 177, 186, 236, 240, 248, 295, 310, 354, 372, 465, 472, 480, 496, 590, 620, 708, 744, 885, 930, 944, 992, 1180, 1240, 1416, 1488, 1770, 1829, 1860, 1888, 2267, 2360, 2480, 2832, 2976, 3540, 3658, 3720, 4534, 4720, 4960, 5487, 5664, 6801, 7080, 7316, 7440, 9068, 9145, 9440, 10974, 11335, 13602, 14160, 14632, 14880, 18136, 18290, 21948, 22670, 27204, 27435, 28320, 29264, 34005, 36272, 36580, 43896, 45340, 54408, 54870, 58528, 68010, 70277, 72544, 73160, 87792, 90680, 108816, 109740, 133753, 136020, 140554, 146320, 175584, 181360, 210831, 217632, 219480, 267506, 272040, 281108, 292640, 351385, 362720, 401259, 421662, 438960, 535012, 544080, 562216, 668765, 702770, 802518, 843324, 877920, 1054155, 1070024, 1088160, 1124432, 1337530, 1405540, 1605036, 1686648, 2006295, 2108310, 2140048, 2248864, 2675060, 2811080, 3210072, 3373296, 4012590, 4146343, 4216620, 4280096, 5350120, 5622160, 6420144, 6746592, 8025180, 8292686, 8433240, 10700240, 11244320, 12439029, 12840288, 16050360, 16585372, 16866480, 20731715, 21400480, 24878058, 32100720, 33170744, 33732960, 41463430, 49756116, 62195145, 64201440, 66341488, 82926860, 99512232, 124390290, 132682976, 165853720, 199024464, 248780580, 331707440, 398048928, 497561160, 663414880, 995122320, 1990244640]

約数ペア:

[(1, 1990244640), (2, 995122320), (3, 663414880), (4, 497561160), (5, 398048928), (6, 331707440), (8, 248780580), (10, 199024464), (12, 165853720), (15, 132682976), (16, 124390290), (20, 99512232), (24, 82926860), (30, 66341488), (31, 64201440), (32, 62195145), (40, 49756116), (48, 41463430), (59, 33732960), (60, 33170744), (62, 32100720), (80, 24878058), (93, 21400480), (96, 20731715), (118, 16866480), (120, 16585372), (124, 16050360), (155, 12840288), (160, 12439029), (177, 11244320), (186, 10700240), (236, 8433240), (240, 8292686), (248, 8025180), (295, 6746592), (310, 6420144), (354, 5622160), (372, 5350120), (465, 4280096), (472, 4216620), (480, 4146343), (496, 4012590), (590, 3373296), (620, 3210072), (708, 2811080), (744, 2675060), (885, 2248864), (930, 2140048), (944, 2108310), (992, 2006295), (1180, 1686648), (1240, 1605036), (1416, 1405540), (1488, 1337530), (1770, 1124432), (1829, 1088160), (1860, 1070024), (1888, 1054155), (2267, 877920), (2360, 843324), (2480, 802518), (2832, 702770), (2976, 668765), (3540, 562216), (3658, 544080), (3720, 535012), (4534, 438960), (4720, 421662), (4960, 401259), (5487, 362720), (5664, 351385), (6801, 292640), (7080, 281108), (7316, 272040), (7440, 267506), (9068, 219480), (9145, 217632), (9440, 210831), (10974, 181360), (11335, 175584), (13602, 146320), (14160, 140554), (14632, 136020), (14880, 133753), (18136, 109740), (18290, 108816), (21948, 90680), (22670, 87792), (27204, 73160), (27435, 72544), (28320, 70277), (29264, 68010), (34005, 58528), (36272, 54870), (36580, 54408), (43896, 45340)]