31199220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 103958400

約数和(自身を除く): 72759180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 199, 201, 234, 260, 268, 335, 390, 398, 402, 468, 585, 597, 603, 670, 780, 796, 804, 871, 995, 1005, 1170, 1194, 1206, 1340, 1742, 1791, 1990, 2010, 2340, 2388, 2412, 2587, 2613, 2985, 3015, 3484, 3582, 3980, 4020, 4355, 5174, 5226, 5970, 6030, 7164, 7761, 7839, 8710, 8955, 10348, 10452, 11940, 12060, 12935, 13065, 13333, 15522, 15678, 17420, 17910, 23283, 25870, 26130, 26666, 31044, 31356, 35820, 38805, 39195, 39999, 46566, 51740, 52260, 53332, 66665, 77610, 78390, 79998, 93132, 116415, 119997, 133330, 155220, 156780, 159996, 173329, 199995, 232830, 239994, 266660, 346658, 399990, 465660, 479988, 519987, 599985, 693316, 799980, 866645, 1039974, 1199970, 1559961, 1733290, 2079948, 2399940, 2599935, 3119922, 3466580, 5199870, 6239844, 7799805, 10399740, 15599610, 31199220]

約数ペア:

[(1, 31199220), (2, 15599610), (3, 10399740), (4, 7799805), (5, 6239844), (6, 5199870), (9, 3466580), (10, 3119922), (12, 2599935), (13, 2399940), (15, 2079948), (18, 1733290), (20, 1559961), (26, 1199970), (30, 1039974), (36, 866645), (39, 799980), (45, 693316), (52, 599985), (60, 519987), (65, 479988), (67, 465660), (78, 399990), (90, 346658), (117, 266660), (130, 239994), (134, 232830), (156, 199995), (180, 173329), (195, 159996), (199, 156780), (201, 155220), (234, 133330), (260, 119997), (268, 116415), (335, 93132), (390, 79998), (398, 78390), (402, 77610), (468, 66665), (585, 53332), (597, 52260), (603, 51740), (670, 46566), (780, 39999), (796, 39195), (804, 38805), (871, 35820), (995, 31356), (1005, 31044), (1170, 26666), (1194, 26130), (1206, 25870), (1340, 23283), (1742, 17910), (1791, 17420), (1990, 15678), (2010, 15522), (2340, 13333), (2388, 13065), (2412, 12935), (2587, 12060), (2613, 11940), (2985, 10452), (3015, 10348), (3484, 8955), (3582, 8710), (3980, 7839), (4020, 7761), (4355, 7164), (5174, 6030), (5226, 5970)]