307420920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 1040212800

約数和(自身を除く): 732791880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 239, 270, 324, 360, 397, 405, 478, 540, 648, 717, 794, 810, 956, 1080, 1191, 1195, 1434, 1588, 1620, 1912, 1985, 2151, 2382, 2390, 2868, 3176, 3240, 3573, 3585, 3970, 4302, 4764, 4780, 5736, 5955, 6453, 7146, 7170, 7940, 8604, 9528, 9560, 10719, 10755, 11910, 12906, 14292, 14340, 15880, 17208, 17865, 19359, 21438, 21510, 23820, 25812, 28584, 28680, 32157, 32265, 35730, 38718, 42876, 43020, 47640, 51624, 53595, 64314, 64530, 71460, 77436, 85752, 86040, 94883, 96795, 107190, 128628, 129060, 142920, 154872, 160785, 189766, 193590, 214380, 257256, 258120, 284649, 321570, 379532, 387180, 428760, 474415, 569298, 643140, 759064, 774360, 853947, 948830, 1138596, 1286280, 1423245, 1707894, 1897660, 2277192, 2561841, 2846490, 3415788, 3795320, 4269735, 5123682, 5692980, 6831576, 7685523, 8539470, 10247364, 11385960, 12809205, 15371046, 17078940, 20494728, 25618410, 30742092, 34157880, 38427615, 51236820, 61484184, 76855230, 102473640, 153710460, 307420920]

約数ペア:

[(1, 307420920), (2, 153710460), (3, 102473640), (4, 76855230), (5, 61484184), (6, 51236820), (8, 38427615), (9, 34157880), (10, 30742092), (12, 25618410), (15, 20494728), (18, 17078940), (20, 15371046), (24, 12809205), (27, 11385960), (30, 10247364), (36, 8539470), (40, 7685523), (45, 6831576), (54, 5692980), (60, 5123682), (72, 4269735), (81, 3795320), (90, 3415788), (108, 2846490), (120, 2561841), (135, 2277192), (162, 1897660), (180, 1707894), (216, 1423245), (239, 1286280), (270, 1138596), (324, 948830), (360, 853947), (397, 774360), (405, 759064), (478, 643140), (540, 569298), (648, 474415), (717, 428760), (794, 387180), (810, 379532), (956, 321570), (1080, 284649), (1191, 258120), (1195, 257256), (1434, 214380), (1588, 193590), (1620, 189766), (1912, 160785), (1985, 154872), (2151, 142920), (2382, 129060), (2390, 128628), (2868, 107190), (3176, 96795), (3240, 94883), (3573, 86040), (3585, 85752), (3970, 77436), (4302, 71460), (4764, 64530), (4780, 64314), (5736, 53595), (5955, 51624), (6453, 47640), (7146, 43020), (7170, 42876), (7940, 38718), (8604, 35730), (9528, 32265), (9560, 32157), (10719, 28680), (10755, 28584), (11910, 25812), (12906, 23820), (14292, 21510), (14340, 21438), (15880, 19359), (17208, 17865)]