17078940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 52153920

約数和(自身を除く): 35074980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 397, 478, 717, 794, 956, 1191, 1195, 1434, 1588, 1985, 2151, 2382, 2390, 2868, 3573, 3585, 3970, 4302, 4764, 4780, 5955, 7146, 7170, 7940, 8604, 10755, 11910, 14292, 14340, 17865, 21510, 23820, 35730, 43020, 71460, 94883, 189766, 284649, 379532, 474415, 569298, 853947, 948830, 1138596, 1423245, 1707894, 1897660, 2846490, 3415788, 4269735, 5692980, 8539470, 17078940]

約数ペア:

[(1, 17078940), (2, 8539470), (3, 5692980), (4, 4269735), (5, 3415788), (6, 2846490), (9, 1897660), (10, 1707894), (12, 1423245), (15, 1138596), (18, 948830), (20, 853947), (30, 569298), (36, 474415), (45, 379532), (60, 284649), (90, 189766), (180, 94883), (239, 71460), (397, 43020), (478, 35730), (717, 23820), (794, 21510), (956, 17865), (1191, 14340), (1195, 14292), (1434, 11910), (1588, 10755), (1985, 8604), (2151, 7940), (2382, 7170), (2390, 7146), (2868, 5955), (3573, 4780), (3585, 4764), (3970, 4302)]