231551280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1973}}^1$

素因数の和:2155

約数の個数: 120

約数和(自身を含む): 782793648

約数和(自身を除く): 551242368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 1973, 2445, 2608, 2934, 3260, 3912, 3946, 4890, 5868, 5919, 6520, 7335, 7824, 7892, 9780, 9865, 11736, 11838, 13040, 14670, 15784, 17757, 19560, 19730, 23472, 23676, 29340, 29595, 31568, 35514, 39120, 39460, 47352, 58680, 59190, 71028, 78920, 88785, 94704, 117360, 118380, 142056, 157840, 177570, 236760, 284112, 321599, 355140, 473520, 643198, 710280, 964797, 1286396, 1420560, 1607995, 1929594, 2572792, 2894391, 3215990, 3859188, 4823985, 5145584, 5788782, 6431980, 7718376, 9647970, 11577564, 12863960, 14471955, 15436752, 19295940, 23155128, 25727920, 28943910, 38591880, 46310256, 57887820, 77183760, 115775640, 231551280]

約数ペア:

[(1, 231551280), (2, 115775640), (3, 77183760), (4, 57887820), (5, 46310256), (6, 38591880), (8, 28943910), (9, 25727920), (10, 23155128), (12, 19295940), (15, 15436752), (16, 14471955), (18, 12863960), (20, 11577564), (24, 9647970), (30, 7718376), (36, 6431980), (40, 5788782), (45, 5145584), (48, 4823985), (60, 3859188), (72, 3215990), (80, 2894391), (90, 2572792), (120, 1929594), (144, 1607995), (163, 1420560), (180, 1286396), (240, 964797), (326, 710280), (360, 643198), (489, 473520), (652, 355140), (720, 321599), (815, 284112), (978, 236760), (1304, 177570), (1467, 157840), (1630, 142056), (1956, 118380), (1973, 117360), (2445, 94704), (2608, 88785), (2934, 78920), (3260, 71028), (3912, 59190), (3946, 58680), (4890, 47352), (5868, 39460), (5919, 39120), (6520, 35514), (7335, 31568), (7824, 29595), (7892, 29340), (9780, 23676), (9865, 23472), (11736, 19730), (11838, 19560), (13040, 17757), (14670, 15784)]