640388700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1154

約数の個数: 288

約数和(自身を含む): 2430955520

約数和(自身を除く): 1790566820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 31, 35, 36, 42, 45, 50, 54, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 108, 124, 126, 135, 140, 150, 155, 175, 180, 186, 189, 210, 217, 225, 252, 270, 279, 300, 310, 315, 350, 372, 378, 420, 434, 450, 465, 525, 540, 558, 620, 630, 651, 675, 700, 756, 775, 837, 868, 900, 930, 945, 1050, 1085, 1093, 1116, 1260, 1302, 1350, 1395, 1550, 1575, 1674, 1860, 1890, 1953, 2100, 2170, 2186, 2325, 2604, 2700, 2790, 3100, 3150, 3255, 3279, 3348, 3780, 3906, 4185, 4340, 4372, 4650, 4725, 5425, 5465, 5580, 5859, 6300, 6510, 6558, 6975, 7651, 7812, 8370, 9300, 9450, 9765, 9837, 10850, 10930, 11718, 13020, 13116, 13950, 15302, 16275, 16395, 16740, 18900, 19530, 19674, 20925, 21700, 21860, 22953, 23436, 27325, 27900, 29295, 29511, 30604, 32550, 32790, 33883, 38255, 39060, 39348, 41850, 45906, 48825, 49185, 54650, 58590, 59022, 65100, 65580, 67766, 68859, 76510, 81975, 83700, 91812, 97650, 98370, 101649, 109300, 114765, 117180, 118044, 135532, 137718, 146475, 147555, 153020, 163950, 169415, 191275, 195300, 196740, 203298, 206577, 229530, 237181, 245925, 275436, 292950, 295110, 304947, 327900, 338830, 344295, 382550, 406596, 413154, 459060, 474362, 491850, 508245, 573825, 585900, 590220, 609894, 677660, 688590, 711543, 737775, 765100, 826308, 847075, 914841, 948724, 983700, 1016490, 1032885, 1147650, 1185905, 1219788, 1377180, 1423086, 1475550, 1524735, 1694150, 1721475, 1829682, 2032980, 2065770, 2134629, 2295300, 2371810, 2541225, 2846172, 2951100, 3049470, 3388300, 3442950, 3557715, 3659364, 4131540, 4269258, 4574205, 4743620, 5082450, 5164425, 5929525, 6098940, 6403887, 6885900, 7115430, 7623675, 8538516, 9148410, 10164900, 10328850, 10673145, 11859050, 12807774, 14230860, 15247350, 17788575, 18296820, 20657700, 21346290, 22871025, 23718100, 25615548, 30494700, 32019435, 35577150, 42692580, 45742050, 53365725, 64038870, 71154300, 91484100, 106731450, 128077740, 160097175, 213462900, 320194350, 640388700]

約数ペア:

[(1, 640388700), (2, 320194350), (3, 213462900), (4, 160097175), (5, 128077740), (6, 106731450), (7, 91484100), (9, 71154300), (10, 64038870), (12, 53365725), (14, 45742050), (15, 42692580), (18, 35577150), (20, 32019435), (21, 30494700), (25, 25615548), (27, 23718100), (28, 22871025), (30, 21346290), (31, 20657700), (35, 18296820), (36, 17788575), (42, 15247350), (45, 14230860), (50, 12807774), (54, 11859050), (60, 10673145), (62, 10328850), (63, 10164900), (70, 9148410), (75, 8538516), (84, 7623675), (90, 7115430), (93, 6885900), (100, 6403887), (105, 6098940), (108, 5929525), (124, 5164425), (126, 5082450), (135, 4743620), (140, 4574205), (150, 4269258), (155, 4131540), (175, 3659364), (180, 3557715), (186, 3442950), (189, 3388300), (210, 3049470), (217, 2951100), (225, 2846172), (252, 2541225), (270, 2371810), (279, 2295300), (300, 2134629), (310, 2065770), (315, 2032980), (350, 1829682), (372, 1721475), (378, 1694150), (420, 1524735), (434, 1475550), (450, 1423086), (465, 1377180), (525, 1219788), (540, 1185905), (558, 1147650), (620, 1032885), (630, 1016490), (651, 983700), (675, 948724), (700, 914841), (756, 847075), (775, 826308), (837, 765100), (868, 737775), (900, 711543), (930, 688590), (945, 677660), (1050, 609894), (1085, 590220), (1093, 585900), (1116, 573825), (1260, 508245), (1302, 491850), (1350, 474362), (1395, 459060), (1550, 413154), (1575, 406596), (1674, 382550), (1860, 344295), (1890, 338830), (1953, 327900), (2100, 304947), (2170, 295110), (2186, 292950), (2325, 275436), (2604, 245925), (2700, 237181), (2790, 229530), (3100, 206577), (3150, 203298), (3255, 196740), (3279, 195300), (3348, 191275), (3780, 169415), (3906, 163950), (4185, 153020), (4340, 147555), (4372, 146475), (4650, 137718), (4725, 135532), (5425, 118044), (5465, 117180), (5580, 114765), (5859, 109300), (6300, 101649), (6510, 98370), (6558, 97650), (6975, 91812), (7651, 83700), (7812, 81975), (8370, 76510), (9300, 68859), (9450, 67766), (9765, 65580), (9837, 65100), (10850, 59022), (10930, 58590), (11718, 54650), (13020, 49185), (13116, 48825), (13950, 45906), (15302, 41850), (16275, 39348), (16395, 39060), (16740, 38255), (18900, 33883), (19530, 32790), (19674, 32550), (20925, 30604), (21700, 29511), (21860, 29295), (22953, 27900), (23436, 27325)]