178375860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2518

約数の個数: 144

約数和(自身を含む): 601735680

約数和(自身を除く): 423359820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2459, 2790, 3627, 4030, 4836, 4918, 5580, 6045, 7254, 7377, 8060, 9836, 12090, 12295, 14508, 14754, 18135, 22131, 24180, 24590, 29508, 31967, 36270, 36885, 44262, 49180, 63934, 72540, 73770, 76229, 88524, 95901, 110655, 127868, 147540, 152458, 159835, 191802, 221310, 228687, 287703, 304916, 319670, 381145, 383604, 442620, 457374, 479505, 575406, 639340, 686061, 762290, 914748, 959010, 990977, 1143435, 1150812, 1372122, 1438515, 1524580, 1918020, 1981954, 2286870, 2744244, 2877030, 2972931, 3430305, 3963908, 4573740, 4954885, 5754060, 5945862, 6860610, 8918793, 9909770, 11891724, 13721220, 14864655, 17837586, 19819540, 29729310, 35675172, 44593965, 59458620, 89187930, 178375860]

約数ペア:

[(1, 178375860), (2, 89187930), (3, 59458620), (4, 44593965), (5, 35675172), (6, 29729310), (9, 19819540), (10, 17837586), (12, 14864655), (13, 13721220), (15, 11891724), (18, 9909770), (20, 8918793), (26, 6860610), (30, 5945862), (31, 5754060), (36, 4954885), (39, 4573740), (45, 3963908), (52, 3430305), (60, 2972931), (62, 2877030), (65, 2744244), (78, 2286870), (90, 1981954), (93, 1918020), (117, 1524580), (124, 1438515), (130, 1372122), (155, 1150812), (156, 1143435), (180, 990977), (186, 959010), (195, 914748), (234, 762290), (260, 686061), (279, 639340), (310, 575406), (372, 479505), (390, 457374), (403, 442620), (465, 383604), (468, 381145), (558, 319670), (585, 304916), (620, 287703), (780, 228687), (806, 221310), (930, 191802), (1116, 159835), (1170, 152458), (1209, 147540), (1395, 127868), (1612, 110655), (1860, 95901), (2015, 88524), (2340, 76229), (2418, 73770), (2459, 72540), (2790, 63934), (3627, 49180), (4030, 44262), (4836, 36885), (4918, 36270), (5580, 31967), (6045, 29508), (7254, 24590), (7377, 24180), (8060, 22131), (9836, 18135), (12090, 14754), (12295, 14508)]