1221554600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 192

約数和(自身を含む): 3360320640

約数和(自身を除く): 2138766040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 101, 106, 140, 163, 175, 200, 202, 212, 265, 280, 326, 350, 371, 404, 424, 505, 530, 652, 700, 707, 742, 808, 815, 1010, 1060, 1141, 1304, 1325, 1400, 1414, 1484, 1630, 1855, 2020, 2120, 2282, 2525, 2650, 2828, 2968, 3260, 3535, 3710, 4040, 4075, 4564, 5050, 5300, 5353, 5656, 5705, 6520, 7070, 7420, 8150, 8639, 9128, 9275, 10100, 10600, 10706, 11410, 14140, 14840, 16300, 16463, 17278, 17675, 18550, 20200, 21412, 22820, 26765, 28280, 28525, 32600, 32926, 34556, 35350, 37100, 37471, 42824, 43195, 45640, 53530, 57050, 60473, 65852, 69112, 70700, 74200, 74942, 82315, 86390, 107060, 114100, 115241, 120946, 131704, 133825, 141400, 149884, 164630, 172780, 187355, 214120, 215975, 228200, 230482, 241892, 267650, 299768, 302365, 329260, 345560, 374710, 411575, 431950, 460964, 483784, 535300, 576205, 604730, 658520, 749420, 823150, 863900, 872539, 921928, 936775, 1070600, 1152410, 1209460, 1498840, 1511825, 1646300, 1727800, 1745078, 1873550, 2304820, 2418920, 2881025, 3023650, 3292600, 3490156, 3747100, 4362695, 4609640, 5762050, 6047300, 6107773, 6980312, 7494200, 8725390, 11524100, 12094600, 12215546, 17450780, 21813475, 23048200, 24431092, 30538865, 34901560, 43626950, 48862184, 61077730, 87253900, 122155460, 152694325, 174507800, 244310920, 305388650, 610777300, 1221554600]

約数ペア:

[(1, 1221554600), (2, 610777300), (4, 305388650), (5, 244310920), (7, 174507800), (8, 152694325), (10, 122155460), (14, 87253900), (20, 61077730), (25, 48862184), (28, 43626950), (35, 34901560), (40, 30538865), (50, 24431092), (53, 23048200), (56, 21813475), (70, 17450780), (100, 12215546), (101, 12094600), (106, 11524100), (140, 8725390), (163, 7494200), (175, 6980312), (200, 6107773), (202, 6047300), (212, 5762050), (265, 4609640), (280, 4362695), (326, 3747100), (350, 3490156), (371, 3292600), (404, 3023650), (424, 2881025), (505, 2418920), (530, 2304820), (652, 1873550), (700, 1745078), (707, 1727800), (742, 1646300), (808, 1511825), (815, 1498840), (1010, 1209460), (1060, 1152410), (1141, 1070600), (1304, 936775), (1325, 921928), (1400, 872539), (1414, 863900), (1484, 823150), (1630, 749420), (1855, 658520), (2020, 604730), (2120, 576205), (2282, 535300), (2525, 483784), (2650, 460964), (2828, 431950), (2968, 411575), (3260, 374710), (3535, 345560), (3710, 329260), (4040, 302365), (4075, 299768), (4564, 267650), (5050, 241892), (5300, 230482), (5353, 228200), (5656, 215975), (5705, 214120), (6520, 187355), (7070, 172780), (7420, 164630), (8150, 149884), (8639, 141400), (9128, 133825), (9275, 131704), (10100, 120946), (10600, 115241), (10706, 114100), (11410, 107060), (14140, 86390), (14840, 82315), (16300, 74942), (16463, 74200), (17278, 70700), (17675, 69112), (18550, 65852), (20200, 60473), (21412, 57050), (22820, 53530), (26765, 45640), (28280, 43195), (28525, 42824), (32600, 37471), (32926, 37100), (34556, 35350)]