278985330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1393

約数の個数: 128

約数和(自身を含む): 814947840

約数和(自身を除く): 535962510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 90, 117, 122, 130, 135, 183, 195, 234, 270, 305, 351, 366, 390, 549, 585, 610, 702, 793, 915, 1098, 1170, 1303, 1586, 1647, 1755, 1830, 2379, 2606, 2745, 3294, 3510, 3909, 3965, 4758, 5490, 6515, 7137, 7818, 7930, 8235, 11727, 11895, 13030, 14274, 16470, 16939, 19545, 21411, 23454, 23790, 33878, 35181, 35685, 39090, 42822, 50817, 58635, 70362, 71370, 79483, 84695, 101634, 107055, 117270, 152451, 158966, 169390, 175905, 214110, 238449, 254085, 304902, 351810, 397415, 457353, 476898, 508170, 715347, 762255, 794830, 914706, 1033279, 1192245, 1430694, 1524510, 2066558, 2146041, 2286765, 2384490, 3099837, 3576735, 4292082, 4573530, 5166395, 6199674, 7153470, 9299511, 10332790, 10730205, 15499185, 18599022, 21460410, 27898533, 30998370, 46497555, 55797066, 92995110, 139492665, 278985330]

約数ペア:

[(1, 278985330), (2, 139492665), (3, 92995110), (5, 55797066), (6, 46497555), (9, 30998370), (10, 27898533), (13, 21460410), (15, 18599022), (18, 15499185), (26, 10730205), (27, 10332790), (30, 9299511), (39, 7153470), (45, 6199674), (54, 5166395), (61, 4573530), (65, 4292082), (78, 3576735), (90, 3099837), (117, 2384490), (122, 2286765), (130, 2146041), (135, 2066558), (183, 1524510), (195, 1430694), (234, 1192245), (270, 1033279), (305, 914706), (351, 794830), (366, 762255), (390, 715347), (549, 508170), (585, 476898), (610, 457353), (702, 397415), (793, 351810), (915, 304902), (1098, 254085), (1170, 238449), (1303, 214110), (1586, 175905), (1647, 169390), (1755, 158966), (1830, 152451), (2379, 117270), (2606, 107055), (2745, 101634), (3294, 84695), (3510, 79483), (3909, 71370), (3965, 70362), (4758, 58635), (5490, 50817), (6515, 42822), (7137, 39090), (7818, 35685), (7930, 35181), (8235, 33878), (11727, 23790), (11895, 23454), (13030, 21411), (14274, 19545), (16470, 16939)]