321239520

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{3541}}^1$

素因数の和:3575

約数の個数: 240

約数和(自身を含む): 1296031968

約数和(自身を除く): 974792448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3541, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7082, 7560, 9072, 10080, 10623, 11340, 12960, 14164, 15120, 17705, 18144, 21246, 22680, 24787, 28328, 30240, 31869, 35410, 42492, 45360, 49574, 53115, 56656, 63738, 70820, 74361, 84984, 90720, 95607, 99148, 106230, 113312, 123935, 127476, 141640, 148722, 159345, 169968, 191214, 198296, 212460, 223083, 247870, 254952, 283280, 286821, 297444, 318690, 339936, 371805, 382428, 396592, 424920, 446166, 478035, 495740, 509904, 566560, 573642, 594888, 637380, 669249, 743610, 764856, 793184, 849840, 892332, 956070, 991480, 1019808, 1115415, 1147284, 1189776, 1274760, 1338498, 1434105, 1487220, 1529712, 1699680, 1784664, 1912140, 1982960, 2007747, 2230830, 2294568, 2379552, 2549520, 2676996, 2868210, 2974440, 3059424, 3346245, 3569328, 3824280, 3965920, 4015494, 4461660, 4589136, 5099040, 5353992, 5736420, 5948880, 6692490, 7138656, 7648560, 8030988, 8923320, 9178272, 10038735, 10707984, 11472840, 11897760, 13384980, 15297120, 16061976, 17846640, 20077470, 21415968, 22945680, 26769960, 32123952, 35693280, 40154940, 45891360, 53539920, 64247904, 80309880, 107079840, 160619760, 321239520]

約数ペア:

[(1, 321239520), (2, 160619760), (3, 107079840), (4, 80309880), (5, 64247904), (6, 53539920), (7, 45891360), (8, 40154940), (9, 35693280), (10, 32123952), (12, 26769960), (14, 22945680), (15, 21415968), (16, 20077470), (18, 17846640), (20, 16061976), (21, 15297120), (24, 13384980), (27, 11897760), (28, 11472840), (30, 10707984), (32, 10038735), (35, 9178272), (36, 8923320), (40, 8030988), (42, 7648560), (45, 7138656), (48, 6692490), (54, 5948880), (56, 5736420), (60, 5353992), (63, 5099040), (70, 4589136), (72, 4461660), (80, 4015494), (81, 3965920), (84, 3824280), (90, 3569328), (96, 3346245), (105, 3059424), (108, 2974440), (112, 2868210), (120, 2676996), (126, 2549520), (135, 2379552), (140, 2294568), (144, 2230830), (160, 2007747), (162, 1982960), (168, 1912140), (180, 1784664), (189, 1699680), (210, 1529712), (216, 1487220), (224, 1434105), (240, 1338498), (252, 1274760), (270, 1189776), (280, 1147284), (288, 1115415), (315, 1019808), (324, 991480), (336, 956070), (360, 892332), (378, 849840), (405, 793184), (420, 764856), (432, 743610), (480, 669249), (504, 637380), (540, 594888), (560, 573642), (567, 566560), (630, 509904), (648, 495740), (672, 478035), (720, 446166), (756, 424920), (810, 396592), (840, 382428), (864, 371805), (945, 339936), (1008, 318690), (1080, 297444), (1120, 286821), (1134, 283280), (1260, 254952), (1296, 247870), (1440, 223083), (1512, 212460), (1620, 198296), (1680, 191214), (1890, 169968), (2016, 159345), (2160, 148722), (2268, 141640), (2520, 127476), (2592, 123935), (2835, 113312), (3024, 106230), (3240, 99148), (3360, 95607), (3541, 90720), (3780, 84984), (4320, 74361), (4536, 70820), (5040, 63738), (5670, 56656), (6048, 53115), (6480, 49574), (7082, 45360), (7560, 42492), (9072, 35410), (10080, 31869), (10623, 30240), (11340, 28328), (12960, 24787), (14164, 22680), (15120, 21246), (17705, 18144)]