81653940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1699}}^1$

素因数の和:1806

約数の個数: 96

約数和(自身を含む): 257040000

約数和(自身を除く): 175386060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 89, 90, 108, 135, 178, 180, 267, 270, 356, 445, 534, 540, 801, 890, 1068, 1335, 1602, 1699, 1780, 2403, 2670, 3204, 3398, 4005, 4806, 5097, 5340, 6796, 8010, 8495, 9612, 10194, 12015, 15291, 16020, 16990, 20388, 24030, 25485, 30582, 33980, 45873, 48060, 50970, 61164, 76455, 91746, 101940, 151211, 152910, 183492, 229365, 302422, 305820, 453633, 458730, 604844, 756055, 907266, 917460, 1360899, 1512110, 1814532, 2268165, 2721798, 3024220, 4082697, 4536330, 5443596, 6804495, 8165394, 9072660, 13608990, 16330788, 20413485, 27217980, 40826970, 81653940]

約数ペア:

[(1, 81653940), (2, 40826970), (3, 27217980), (4, 20413485), (5, 16330788), (6, 13608990), (9, 9072660), (10, 8165394), (12, 6804495), (15, 5443596), (18, 4536330), (20, 4082697), (27, 3024220), (30, 2721798), (36, 2268165), (45, 1814532), (54, 1512110), (60, 1360899), (89, 917460), (90, 907266), (108, 756055), (135, 604844), (178, 458730), (180, 453633), (267, 305820), (270, 302422), (356, 229365), (445, 183492), (534, 152910), (540, 151211), (801, 101940), (890, 91746), (1068, 76455), (1335, 61164), (1602, 50970), (1699, 48060), (1780, 45873), (2403, 33980), (2670, 30582), (3204, 25485), (3398, 24030), (4005, 20388), (4806, 16990), (5097, 16020), (5340, 15291), (6796, 12015), (8010, 10194), (8495, 9612)]