202120620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 633572352

約数和(自身を除く): 431451732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 643, 676, 780, 806, 845, 930, 1014, 1209, 1286, 1612, 1690, 1860, 1929, 2015, 2028, 2418, 2535, 2572, 3215, 3380, 3858, 4030, 4836, 5070, 5239, 6045, 6430, 7716, 8060, 8359, 9645, 10140, 10478, 12090, 12860, 15717, 16718, 19290, 19933, 20956, 24180, 25077, 26195, 31434, 33436, 38580, 39866, 41795, 50154, 52390, 59799, 62868, 78585, 79732, 83590, 99665, 100308, 104780, 108667, 119598, 125385, 157170, 167180, 199330, 217334, 239196, 250770, 259129, 298995, 314340, 326001, 398660, 434668, 501540, 518258, 543335, 597990, 652002, 777387, 1036516, 1086670, 1195980, 1295645, 1304004, 1554774, 1630005, 2173340, 2591290, 3109548, 3260010, 3368677, 3886935, 5182580, 6520020, 6737354, 7773870, 10106031, 13474708, 15547740, 16843385, 20212062, 33686770, 40424124, 50530155, 67373540, 101060310, 202120620]

約数ペア:

[(1, 202120620), (2, 101060310), (3, 67373540), (4, 50530155), (5, 40424124), (6, 33686770), (10, 20212062), (12, 16843385), (13, 15547740), (15, 13474708), (20, 10106031), (26, 7773870), (30, 6737354), (31, 6520020), (39, 5182580), (52, 3886935), (60, 3368677), (62, 3260010), (65, 3109548), (78, 2591290), (93, 2173340), (124, 1630005), (130, 1554774), (155, 1304004), (156, 1295645), (169, 1195980), (186, 1086670), (195, 1036516), (260, 777387), (310, 652002), (338, 597990), (372, 543335), (390, 518258), (403, 501540), (465, 434668), (507, 398660), (620, 326001), (643, 314340), (676, 298995), (780, 259129), (806, 250770), (845, 239196), (930, 217334), (1014, 199330), (1209, 167180), (1286, 157170), (1612, 125385), (1690, 119598), (1860, 108667), (1929, 104780), (2015, 100308), (2028, 99665), (2418, 83590), (2535, 79732), (2572, 78585), (3215, 62868), (3380, 59799), (3858, 52390), (4030, 50154), (4836, 41795), (5070, 39866), (5239, 38580), (6045, 33436), (6430, 31434), (7716, 26195), (8060, 25077), (8359, 24180), (9645, 20956), (10140, 19933), (10478, 19290), (12090, 16718), (12860, 15717)]