25550820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 84564480

約数和(自身を除く): 59013660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 241, 279, 285, 310, 342, 372, 380, 465, 482, 558, 570, 589, 620, 684, 723, 855, 930, 964, 1116, 1140, 1178, 1205, 1395, 1446, 1710, 1767, 1860, 2169, 2356, 2410, 2790, 2892, 2945, 3420, 3534, 3615, 4338, 4579, 4820, 5301, 5580, 5890, 7068, 7230, 7471, 8676, 8835, 9158, 10602, 10845, 11780, 13737, 14460, 14942, 17670, 18316, 21204, 21690, 22413, 22895, 26505, 27474, 29884, 35340, 37355, 41211, 43380, 44826, 45790, 53010, 54948, 67239, 68685, 74710, 82422, 89652, 91580, 106020, 112065, 134478, 137370, 141949, 149420, 164844, 206055, 224130, 268956, 274740, 283898, 336195, 412110, 425847, 448260, 567796, 672390, 709745, 824220, 851694, 1277541, 1344780, 1419490, 1703388, 2129235, 2555082, 2838980, 4258470, 5110164, 6387705, 8516940, 12775410, 25550820]

約数ペア:

[(1, 25550820), (2, 12775410), (3, 8516940), (4, 6387705), (5, 5110164), (6, 4258470), (9, 2838980), (10, 2555082), (12, 2129235), (15, 1703388), (18, 1419490), (19, 1344780), (20, 1277541), (30, 851694), (31, 824220), (36, 709745), (38, 672390), (45, 567796), (57, 448260), (60, 425847), (62, 412110), (76, 336195), (90, 283898), (93, 274740), (95, 268956), (114, 224130), (124, 206055), (155, 164844), (171, 149420), (180, 141949), (186, 137370), (190, 134478), (228, 112065), (241, 106020), (279, 91580), (285, 89652), (310, 82422), (342, 74710), (372, 68685), (380, 67239), (465, 54948), (482, 53010), (558, 45790), (570, 44826), (589, 43380), (620, 41211), (684, 37355), (723, 35340), (855, 29884), (930, 27474), (964, 26505), (1116, 22895), (1140, 22413), (1178, 21690), (1205, 21204), (1395, 18316), (1446, 17670), (1710, 14942), (1767, 14460), (1860, 13737), (2169, 11780), (2356, 10845), (2410, 10602), (2790, 9158), (2892, 8835), (2945, 8676), (3420, 7471), (3534, 7230), (3615, 7068), (4338, 5890), (4579, 5580), (4820, 5301)]