65447760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 234270720

約数和(自身を除く): 168822960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 163, 168, 210, 239, 240, 280, 326, 336, 420, 478, 489, 560, 652, 717, 815, 840, 956, 978, 1141, 1195, 1304, 1434, 1630, 1673, 1680, 1912, 1956, 2282, 2390, 2445, 2608, 2868, 3260, 3346, 3423, 3585, 3824, 3912, 4564, 4780, 4890, 5019, 5705, 5736, 6520, 6692, 6846, 7170, 7824, 8365, 9128, 9560, 9780, 10038, 11410, 11472, 13040, 13384, 13692, 14340, 16730, 17115, 18256, 19120, 19560, 20076, 22820, 25095, 26768, 27384, 28680, 33460, 34230, 38957, 39120, 40152, 45640, 50190, 54768, 57360, 66920, 68460, 77914, 80304, 91280, 100380, 116871, 133840, 136920, 155828, 194785, 200760, 233742, 272699, 273840, 311656, 389570, 401520, 467484, 545398, 584355, 623312, 779140, 818097, 934968, 1090796, 1168710, 1363495, 1558280, 1636194, 1869936, 2181592, 2337420, 2726990, 3116560, 3272388, 4090485, 4363184, 4674840, 5453980, 6544776, 8180970, 9349680, 10907960, 13089552, 16361940, 21815920, 32723880, 65447760]

約数ペア:

[(1, 65447760), (2, 32723880), (3, 21815920), (4, 16361940), (5, 13089552), (6, 10907960), (7, 9349680), (8, 8180970), (10, 6544776), (12, 5453980), (14, 4674840), (15, 4363184), (16, 4090485), (20, 3272388), (21, 3116560), (24, 2726990), (28, 2337420), (30, 2181592), (35, 1869936), (40, 1636194), (42, 1558280), (48, 1363495), (56, 1168710), (60, 1090796), (70, 934968), (80, 818097), (84, 779140), (105, 623312), (112, 584355), (120, 545398), (140, 467484), (163, 401520), (168, 389570), (210, 311656), (239, 273840), (240, 272699), (280, 233742), (326, 200760), (336, 194785), (420, 155828), (478, 136920), (489, 133840), (560, 116871), (652, 100380), (717, 91280), (815, 80304), (840, 77914), (956, 68460), (978, 66920), (1141, 57360), (1195, 54768), (1304, 50190), (1434, 45640), (1630, 40152), (1673, 39120), (1680, 38957), (1912, 34230), (1956, 33460), (2282, 28680), (2390, 27384), (2445, 26768), (2608, 25095), (2868, 22820), (3260, 20076), (3346, 19560), (3423, 19120), (3585, 18256), (3824, 17115), (3912, 16730), (4564, 14340), (4780, 13692), (4890, 13384), (5019, 13040), (5705, 11472), (5736, 11410), (6520, 10038), (6692, 9780), (6846, 9560), (7170, 9128), (7824, 8365)]