813511920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 240

約数和(自身を含む): 2823247872

約数和(自身を除く): 2009735952

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, 169, 186, 195, 208, 240, 248, 260, 310, 312, 338, 372, 390, 403, 465, 496, 507, 520, 620, 624, 647, 676, 744, 780, 806, 845, 930, 1014, 1040, 1209, 1240, 1294, 1352, 1488, 1560, 1612, 1690, 1860, 1941, 2015, 2028, 2418, 2480, 2535, 2588, 2704, 3120, 3224, 3235, 3380, 3720, 3882, 4030, 4056, 4836, 5070, 5176, 5239, 6045, 6448, 6470, 6760, 7440, 7764, 8060, 8112, 8411, 9672, 9705, 10140, 10352, 10478, 12090, 12940, 13520, 15528, 15717, 16120, 16822, 19344, 19410, 20057, 20280, 20956, 24180, 25233, 25880, 26195, 31056, 31434, 32240, 33644, 38820, 40114, 40560, 41912, 42055, 48360, 50466, 51760, 52390, 60171, 62868, 67288, 77640, 78585, 80228, 83824, 84110, 96720, 100285, 100932, 104780, 109343, 120342, 125736, 126165, 134576, 155280, 157170, 160456, 168220, 200570, 201864, 209560, 218686, 240684, 251472, 252330, 260741, 300855, 314340, 320912, 328029, 336440, 401140, 403728, 419120, 437372, 481368, 504660, 521482, 546715, 601710, 628680, 656058, 672880, 782223, 802280, 874744, 962736, 1009320, 1042964, 1093430, 1203420, 1257360, 1303705, 1312116, 1564446, 1604560, 1640145, 1749488, 2018640, 2085928, 2186860, 2406840, 2607410, 2624232, 3128892, 3280290, 3389633, 3911115, 4171856, 4373720, 4813680, 5214820, 5248464, 6257784, 6560580, 6779266, 7822230, 8747440, 10168899, 10429640, 12515568, 13121160, 13558532, 15644460, 16948165, 20337798, 20859280, 26242320, 27117064, 31288920, 33896330, 40675596, 50844495, 54234128, 62577840, 67792660, 81351192, 101688990, 135585320, 162702384, 203377980, 271170640, 406755960, 813511920]

約数ペア:

[(1, 813511920), (2, 406755960), (3, 271170640), (4, 203377980), (5, 162702384), (6, 135585320), (8, 101688990), (10, 81351192), (12, 67792660), (13, 62577840), (15, 54234128), (16, 50844495), (20, 40675596), (24, 33896330), (26, 31288920), (30, 27117064), (31, 26242320), (39, 20859280), (40, 20337798), (48, 16948165), (52, 15644460), (60, 13558532), (62, 13121160), (65, 12515568), (78, 10429640), (80, 10168899), (93, 8747440), (104, 7822230), (120, 6779266), (124, 6560580), (130, 6257784), (155, 5248464), (156, 5214820), (169, 4813680), (186, 4373720), (195, 4171856), (208, 3911115), (240, 3389633), (248, 3280290), (260, 3128892), (310, 2624232), (312, 2607410), (338, 2406840), (372, 2186860), (390, 2085928), (403, 2018640), (465, 1749488), (496, 1640145), (507, 1604560), (520, 1564446), (620, 1312116), (624, 1303705), (647, 1257360), (676, 1203420), (744, 1093430), (780, 1042964), (806, 1009320), (845, 962736), (930, 874744), (1014, 802280), (1040, 782223), (1209, 672880), (1240, 656058), (1294, 628680), (1352, 601710), (1488, 546715), (1560, 521482), (1612, 504660), (1690, 481368), (1860, 437372), (1941, 419120), (2015, 403728), (2028, 401140), (2418, 336440), (2480, 328029), (2535, 320912), (2588, 314340), (2704, 300855), (3120, 260741), (3224, 252330), (3235, 251472), (3380, 240684), (3720, 218686), (3882, 209560), (4030, 201864), (4056, 200570), (4836, 168220), (5070, 160456), (5176, 157170), (5239, 155280), (6045, 134576), (6448, 126165), (6470, 125736), (6760, 120342), (7440, 109343), (7764, 104780), (8060, 100932), (8112, 100285), (8411, 96720), (9672, 84110), (9705, 83824), (10140, 80228), (10352, 78585), (10478, 77640), (12090, 67288), (12940, 62868), (13520, 60171), (15528, 52390), (15717, 51760), (16120, 50466), (16822, 48360), (19344, 42055), (19410, 41912), (20057, 40560), (20280, 40114), (20956, 38820), (24180, 33644), (25233, 32240), (25880, 31434), (26195, 31056)]