280792980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 240

約数和(自身を含む): 967612800

約数和(自身を除く): 686819820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 67, 78, 81, 90, 108, 117, 130, 134, 135, 156, 162, 180, 195, 199, 201, 234, 260, 268, 270, 324, 335, 351, 390, 398, 402, 405, 468, 540, 585, 597, 603, 670, 702, 780, 796, 804, 810, 871, 995, 1005, 1053, 1170, 1194, 1206, 1340, 1404, 1620, 1742, 1755, 1791, 1809, 1990, 2010, 2106, 2340, 2388, 2412, 2587, 2613, 2985, 3015, 3484, 3510, 3582, 3618, 3980, 4020, 4212, 4355, 5174, 5226, 5265, 5373, 5427, 5970, 6030, 7020, 7164, 7236, 7761, 7839, 8710, 8955, 9045, 10348, 10452, 10530, 10746, 10854, 11940, 12060, 12935, 13065, 13333, 15522, 15678, 16119, 17420, 17910, 18090, 21060, 21492, 21708, 23283, 23517, 25870, 26130, 26666, 26865, 27135, 31044, 31356, 32238, 35820, 36180, 38805, 39195, 39999, 46566, 47034, 51740, 52260, 53332, 53730, 54270, 64476, 66665, 69849, 70551, 77610, 78390, 79998, 80595, 93132, 94068, 107460, 108540, 116415, 117585, 119997, 133330, 139698, 141102, 155220, 156780, 159996, 161190, 173329, 199995, 209547, 232830, 235170, 239994, 266660, 279396, 282204, 322380, 346658, 349245, 352755, 359991, 399990, 419094, 465660, 470340, 479988, 519987, 599985, 693316, 698490, 705510, 719982, 799980, 838188, 866645, 1039974, 1047735, 1079973, 1199970, 1396980, 1411020, 1439964, 1559961, 1733290, 1799955, 2079948, 2095470, 2159946, 2399940, 2599935, 3119922, 3466580, 3599910, 4190940, 4319892, 4679883, 5199870, 5399865, 6239844, 7199820, 7799805, 9359766, 10399740, 10799730, 14039649, 15599610, 18719532, 21599460, 23399415, 28079298, 31199220, 46798830, 56158596, 70198245, 93597660, 140396490, 280792980]

約数ペア:

[(1, 280792980), (2, 140396490), (3, 93597660), (4, 70198245), (5, 56158596), (6, 46798830), (9, 31199220), (10, 28079298), (12, 23399415), (13, 21599460), (15, 18719532), (18, 15599610), (20, 14039649), (26, 10799730), (27, 10399740), (30, 9359766), (36, 7799805), (39, 7199820), (45, 6239844), (52, 5399865), (54, 5199870), (60, 4679883), (65, 4319892), (67, 4190940), (78, 3599910), (81, 3466580), (90, 3119922), (108, 2599935), (117, 2399940), (130, 2159946), (134, 2095470), (135, 2079948), (156, 1799955), (162, 1733290), (180, 1559961), (195, 1439964), (199, 1411020), (201, 1396980), (234, 1199970), (260, 1079973), (268, 1047735), (270, 1039974), (324, 866645), (335, 838188), (351, 799980), (390, 719982), (398, 705510), (402, 698490), (405, 693316), (468, 599985), (540, 519987), (585, 479988), (597, 470340), (603, 465660), (670, 419094), (702, 399990), (780, 359991), (796, 352755), (804, 349245), (810, 346658), (871, 322380), (995, 282204), (1005, 279396), (1053, 266660), (1170, 239994), (1194, 235170), (1206, 232830), (1340, 209547), (1404, 199995), (1620, 173329), (1742, 161190), (1755, 159996), (1791, 156780), (1809, 155220), (1990, 141102), (2010, 139698), (2106, 133330), (2340, 119997), (2388, 117585), (2412, 116415), (2587, 108540), (2613, 107460), (2985, 94068), (3015, 93132), (3484, 80595), (3510, 79998), (3582, 78390), (3618, 77610), (3980, 70551), (4020, 69849), (4212, 66665), (4355, 64476), (5174, 54270), (5226, 53730), (5265, 53332), (5373, 52260), (5427, 51740), (5970, 47034), (6030, 46566), (7020, 39999), (7164, 39195), (7236, 38805), (7761, 36180), (7839, 35820), (8710, 32238), (8955, 31356), (9045, 31044), (10348, 27135), (10452, 26865), (10530, 26666), (10746, 26130), (10854, 25870), (11940, 23517), (12060, 23283), (12935, 21708), (13065, 21492), (13333, 21060), (15522, 18090), (15678, 17910), (16119, 17420)]