21813600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 72651600

約数和(自身を除く): 50838000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 75, 80, 96, 100, 120, 122, 149, 150, 160, 183, 200, 240, 244, 298, 300, 305, 366, 400, 447, 480, 488, 596, 600, 610, 732, 745, 800, 894, 915, 976, 1192, 1200, 1220, 1464, 1490, 1525, 1788, 1830, 1952, 2235, 2384, 2400, 2440, 2928, 2980, 3050, 3576, 3660, 3725, 4470, 4575, 4768, 4880, 5856, 5960, 6100, 7152, 7320, 7450, 8940, 9089, 9150, 9760, 11175, 11920, 12200, 14304, 14640, 14900, 17880, 18178, 18300, 22350, 23840, 24400, 27267, 29280, 29800, 35760, 36356, 36600, 44700, 45445, 48800, 54534, 59600, 71520, 72712, 73200, 89400, 90890, 109068, 119200, 136335, 145424, 146400, 178800, 181780, 218136, 227225, 272670, 290848, 357600, 363560, 436272, 454450, 545340, 681675, 727120, 872544, 908900, 1090680, 1363350, 1454240, 1817800, 2181360, 2726700, 3635600, 4362720, 5453400, 7271200, 10906800, 21813600]

約数ペア:

[(1, 21813600), (2, 10906800), (3, 7271200), (4, 5453400), (5, 4362720), (6, 3635600), (8, 2726700), (10, 2181360), (12, 1817800), (15, 1454240), (16, 1363350), (20, 1090680), (24, 908900), (25, 872544), (30, 727120), (32, 681675), (40, 545340), (48, 454450), (50, 436272), (60, 363560), (61, 357600), (75, 290848), (80, 272670), (96, 227225), (100, 218136), (120, 181780), (122, 178800), (149, 146400), (150, 145424), (160, 136335), (183, 119200), (200, 109068), (240, 90890), (244, 89400), (298, 73200), (300, 72712), (305, 71520), (366, 59600), (400, 54534), (447, 48800), (480, 45445), (488, 44700), (596, 36600), (600, 36356), (610, 35760), (732, 29800), (745, 29280), (800, 27267), (894, 24400), (915, 23840), (976, 22350), (1192, 18300), (1200, 18178), (1220, 17880), (1464, 14900), (1490, 14640), (1525, 14304), (1788, 12200), (1830, 11920), (1952, 11175), (2235, 9760), (2384, 9150), (2400, 9089), (2440, 8940), (2928, 7450), (2980, 7320), (3050, 7152), (3576, 6100), (3660, 5960), (3725, 5856), (4470, 4880), (4575, 4768)]