19967280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:594

約数の個数: 80

約数和(自身を含む): 62329344

約数和(自身を除く): 42362064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 307, 542, 614, 813, 921, 1084, 1228, 1355, 1535, 1626, 1842, 2168, 2456, 2710, 3070, 3252, 3684, 4065, 4336, 4605, 4912, 5420, 6140, 6504, 7368, 8130, 9210, 10840, 12280, 13008, 14736, 16260, 18420, 21680, 24560, 32520, 36840, 65040, 73680, 83197, 166394, 249591, 332788, 415985, 499182, 665576, 831970, 998364, 1247955, 1331152, 1663940, 1996728, 2495910, 3327880, 3993456, 4991820, 6655760, 9983640, 19967280]

約数ペア:

[(1, 19967280), (2, 9983640), (3, 6655760), (4, 4991820), (5, 3993456), (6, 3327880), (8, 2495910), (10, 1996728), (12, 1663940), (15, 1331152), (16, 1247955), (20, 998364), (24, 831970), (30, 665576), (40, 499182), (48, 415985), (60, 332788), (80, 249591), (120, 166394), (240, 83197), (271, 73680), (307, 65040), (542, 36840), (614, 32520), (813, 24560), (921, 21680), (1084, 18420), (1228, 16260), (1355, 14736), (1535, 13008), (1626, 12280), (1842, 10840), (2168, 9210), (2456, 8130), (2710, 7368), (3070, 6504), (3252, 6140), (3684, 5420), (4065, 4912), (4336, 4605)]