19615440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6287}}^1$

素因数の和:6316

約数の個数: 80

約数和(自身を含む): 65495808

約数和(自身を除く): 45880368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6287, 12574, 18861, 25148, 31435, 37722, 50296, 62870, 75444, 81731, 94305, 100592, 125740, 150888, 163462, 188610, 245193, 251480, 301776, 326924, 377220, 408655, 490386, 502960, 653848, 754440, 817310, 980772, 1225965, 1307696, 1508880, 1634620, 1961544, 2451930, 3269240, 3923088, 4903860, 6538480, 9807720, 19615440]

約数ペア:

[(1, 19615440), (2, 9807720), (3, 6538480), (4, 4903860), (5, 3923088), (6, 3269240), (8, 2451930), (10, 1961544), (12, 1634620), (13, 1508880), (15, 1307696), (16, 1225965), (20, 980772), (24, 817310), (26, 754440), (30, 653848), (39, 502960), (40, 490386), (48, 408655), (52, 377220), (60, 326924), (65, 301776), (78, 251480), (80, 245193), (104, 188610), (120, 163462), (130, 150888), (156, 125740), (195, 100592), (208, 94305), (240, 81731), (260, 75444), (312, 62870), (390, 50296), (520, 37722), (624, 31435), (780, 25148), (1040, 18861), (1560, 12574), (3120, 6287)]