61173540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 201976320

約数和(自身を除く): 140802780

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, 279, 285, 310, 342, 372, 380, 465, 558, 570, 577, 589, 620, 684, 855, 930, 1116, 1140, 1154, 1178, 1395, 1710, 1731, 1767, 1860, 2308, 2356, 2790, 2885, 2945, 3420, 3462, 3534, 5193, 5301, 5580, 5770, 5890, 6924, 7068, 8655, 8835, 10386, 10602, 10963, 11540, 11780, 17310, 17670, 17887, 20772, 21204, 21926, 25965, 26505, 32889, 34620, 35340, 35774, 43852, 51930, 53010, 53661, 54815, 65778, 71548, 89435, 98667, 103860, 106020, 107322, 109630, 131556, 160983, 164445, 178870, 197334, 214644, 219260, 268305, 321966, 328890, 339853, 357740, 394668, 493335, 536610, 643932, 657780, 679706, 804915, 986670, 1019559, 1073220, 1359412, 1609830, 1699265, 1973340, 2039118, 3058677, 3219660, 3398530, 4078236, 5097795, 6117354, 6797060, 10195590, 12234708, 15293385, 20391180, 30586770, 61173540]

約数ペア:

[(1, 61173540), (2, 30586770), (3, 20391180), (4, 15293385), (5, 12234708), (6, 10195590), (9, 6797060), (10, 6117354), (12, 5097795), (15, 4078236), (18, 3398530), (19, 3219660), (20, 3058677), (30, 2039118), (31, 1973340), (36, 1699265), (38, 1609830), (45, 1359412), (57, 1073220), (60, 1019559), (62, 986670), (76, 804915), (90, 679706), (93, 657780), (95, 643932), (114, 536610), (124, 493335), (155, 394668), (171, 357740), (180, 339853), (186, 328890), (190, 321966), (228, 268305), (279, 219260), (285, 214644), (310, 197334), (342, 178870), (372, 164445), (380, 160983), (465, 131556), (558, 109630), (570, 107322), (577, 106020), (589, 103860), (620, 98667), (684, 89435), (855, 71548), (930, 65778), (1116, 54815), (1140, 53661), (1154, 53010), (1178, 51930), (1395, 43852), (1710, 35774), (1731, 35340), (1767, 34620), (1860, 32889), (2308, 26505), (2356, 25965), (2790, 21926), (2885, 21204), (2945, 20772), (3420, 17887), (3462, 17670), (3534, 17310), (5193, 11780), (5301, 11540), (5580, 10963), (5770, 10602), (5890, 10386), (6924, 8835), (7068, 8655)]