38445540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 123863040

約数和(自身を除く): 85417500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 383, 420, 478, 717, 766, 956, 1149, 1195, 1434, 1532, 1673, 1915, 2298, 2390, 2681, 2868, 3346, 3585, 3830, 4596, 4780, 5019, 5362, 5745, 6692, 7170, 7660, 8043, 8365, 10038, 10724, 11490, 13405, 14340, 16086, 16730, 20076, 22980, 25095, 26810, 32172, 33460, 40215, 50190, 53620, 80430, 91537, 100380, 160860, 183074, 274611, 366148, 457685, 549222, 640759, 915370, 1098444, 1281518, 1373055, 1830740, 1922277, 2563036, 2746110, 3203795, 3844554, 5492220, 6407590, 7689108, 9611385, 12815180, 19222770, 38445540]

約数ペア:

[(1, 38445540), (2, 19222770), (3, 12815180), (4, 9611385), (5, 7689108), (6, 6407590), (7, 5492220), (10, 3844554), (12, 3203795), (14, 2746110), (15, 2563036), (20, 1922277), (21, 1830740), (28, 1373055), (30, 1281518), (35, 1098444), (42, 915370), (60, 640759), (70, 549222), (84, 457685), (105, 366148), (140, 274611), (210, 183074), (239, 160860), (383, 100380), (420, 91537), (478, 80430), (717, 53620), (766, 50190), (956, 40215), (1149, 33460), (1195, 32172), (1434, 26810), (1532, 25095), (1673, 22980), (1915, 20076), (2298, 16730), (2390, 16086), (2681, 14340), (2868, 13405), (3346, 11490), (3585, 10724), (3830, 10038), (4596, 8365), (4780, 8043), (5019, 7660), (5362, 7170), (5745, 6692)]