63965580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21757}}^1$

素因数の和:21783

約数の個数: 72

約数和(自身を含む): 208354608

約数和(自身を除く): 144389028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 21757, 43514, 65271, 87028, 108785, 130542, 152299, 217570, 261084, 304598, 326355, 435140, 456897, 609196, 652710, 761495, 913794, 1066093, 1305420, 1522990, 1827588, 2132186, 2284485, 3045980, 3198279, 4264372, 4568970, 5330465, 6396558, 9137940, 10660930, 12793116, 15991395, 21321860, 31982790, 63965580]

約数ペア:

[(1, 63965580), (2, 31982790), (3, 21321860), (4, 15991395), (5, 12793116), (6, 10660930), (7, 9137940), (10, 6396558), (12, 5330465), (14, 4568970), (15, 4264372), (20, 3198279), (21, 3045980), (28, 2284485), (30, 2132186), (35, 1827588), (42, 1522990), (49, 1305420), (60, 1066093), (70, 913794), (84, 761495), (98, 652710), (105, 609196), (140, 456897), (147, 435140), (196, 326355), (210, 304598), (245, 261084), (294, 217570), (420, 152299), (490, 130542), (588, 108785), (735, 87028), (980, 65271), (1470, 43514), (2940, 21757)]