998451720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12836

約数の個数: 192

約数和(自身を含む): 3828464640

約数和(自身を除く): 2830012920

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, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 12781, 13020, 15624, 19530, 25562, 26040, 38343, 39060, 51124, 63905, 76686, 78120, 89467, 102248, 115029, 127810, 153372, 178934, 191715, 230058, 255620, 268401, 306744, 357868, 383430, 396211, 447335, 460116, 511240, 536802, 575145, 715736, 766860, 792422, 805203, 894670, 920232, 1073604, 1150290, 1188633, 1342005, 1533720, 1584844, 1610406, 1789340, 1981055, 2147208, 2300580, 2377266, 2684010, 2773477, 3169688, 3220812, 3565899, 3578680, 3962110, 4026015, 4601160, 4754532, 5368020, 5546954, 5943165, 6441624, 7131798, 7924220, 8052030, 8320431, 9509064, 10736040, 11093908, 11886330, 13867385, 14263596, 15848440, 16104060, 16640862, 17829495, 22187816, 23772660, 24961293, 27734770, 28527192, 32208120, 33281724, 35658990, 41602155, 47545320, 49922586, 55469540, 66563448, 71317980, 83204310, 99845172, 110939080, 124806465, 142635960, 166408620, 199690344, 249612930, 332817240, 499225860, 998451720]

約数ペア:

[(1, 998451720), (2, 499225860), (3, 332817240), (4, 249612930), (5, 199690344), (6, 166408620), (7, 142635960), (8, 124806465), (9, 110939080), (10, 99845172), (12, 83204310), (14, 71317980), (15, 66563448), (18, 55469540), (20, 49922586), (21, 47545320), (24, 41602155), (28, 35658990), (30, 33281724), (31, 32208120), (35, 28527192), (36, 27734770), (40, 24961293), (42, 23772660), (45, 22187816), (56, 17829495), (60, 16640862), (62, 16104060), (63, 15848440), (70, 14263596), (72, 13867385), (84, 11886330), (90, 11093908), (93, 10736040), (105, 9509064), (120, 8320431), (124, 8052030), (126, 7924220), (140, 7131798), (155, 6441624), (168, 5943165), (180, 5546954), (186, 5368020), (210, 4754532), (217, 4601160), (248, 4026015), (252, 3962110), (279, 3578680), (280, 3565899), (310, 3220812), (315, 3169688), (360, 2773477), (372, 2684010), (420, 2377266), (434, 2300580), (465, 2147208), (504, 1981055), (558, 1789340), (620, 1610406), (630, 1584844), (651, 1533720), (744, 1342005), (840, 1188633), (868, 1150290), (930, 1073604), (1085, 920232), (1116, 894670), (1240, 805203), (1260, 792422), (1302, 766860), (1395, 715736), (1736, 575145), (1860, 536802), (1953, 511240), (2170, 460116), (2232, 447335), (2520, 396211), (2604, 383430), (2790, 357868), (3255, 306744), (3720, 268401), (3906, 255620), (4340, 230058), (5208, 191715), (5580, 178934), (6510, 153372), (7812, 127810), (8680, 115029), (9765, 102248), (11160, 89467), (12781, 78120), (13020, 76686), (15624, 63905), (19530, 51124), (25562, 39060), (26040, 38343)]