1405320

素因数分解:

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

素因数の和:267

約数の個数: 96

約数和(自身を含む): 4924800

約数和(自身を除く): 3519480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 239, 245, 280, 294, 392, 420, 478, 490, 588, 717, 735, 840, 956, 980, 1176, 1195, 1434, 1470, 1673, 1912, 1960, 2390, 2868, 2940, 3346, 3585, 4780, 5019, 5736, 5880, 6692, 7170, 8365, 9560, 10038, 11711, 13384, 14340, 16730, 20076, 23422, 25095, 28680, 33460, 35133, 40152, 46844, 50190, 58555, 66920, 70266, 93688, 100380, 117110, 140532, 175665, 200760, 234220, 281064, 351330, 468440, 702660, 1405320]

約数ペア:

[(1, 1405320), (2, 702660), (3, 468440), (4, 351330), (5, 281064), (6, 234220), (7, 200760), (8, 175665), (10, 140532), (12, 117110), (14, 100380), (15, 93688), (20, 70266), (21, 66920), (24, 58555), (28, 50190), (30, 46844), (35, 40152), (40, 35133), (42, 33460), (49, 28680), (56, 25095), (60, 23422), (70, 20076), (84, 16730), (98, 14340), (105, 13384), (120, 11711), (140, 10038), (147, 9560), (168, 8365), (196, 7170), (210, 6692), (239, 5880), (245, 5736), (280, 5019), (294, 4780), (392, 3585), (420, 3346), (478, 2940), (490, 2868), (588, 2390), (717, 1960), (735, 1912), (840, 1673), (956, 1470), (980, 1434), (1176, 1195)]