305176290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 801377280

約数和(自身を除く): 496200990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 67, 95, 114, 122, 131, 134, 183, 190, 201, 262, 285, 305, 335, 366, 393, 402, 570, 610, 655, 670, 786, 915, 1005, 1159, 1273, 1310, 1830, 1965, 2010, 2318, 2489, 2546, 3477, 3819, 3930, 4087, 4978, 5795, 6365, 6954, 7467, 7638, 7991, 8174, 8777, 11590, 12261, 12445, 12730, 14934, 15982, 17385, 17554, 19095, 20435, 23973, 24522, 24890, 26331, 34770, 37335, 38190, 39955, 40870, 43885, 47946, 52662, 61305, 74670, 77653, 79910, 87770, 119865, 122610, 131655, 151829, 155306, 166763, 232959, 239730, 263310, 303658, 333526, 388265, 455487, 465918, 500289, 535397, 759145, 776530, 833815, 910974, 1000578, 1070794, 1164795, 1518290, 1606191, 1667630, 2277435, 2329590, 2501445, 2676985, 3212382, 4554870, 5002890, 5353970, 8030955, 10172543, 16061910, 20345086, 30517629, 50862715, 61035258, 101725430, 152588145, 305176290]

約数ペア:

[(1, 305176290), (2, 152588145), (3, 101725430), (5, 61035258), (6, 50862715), (10, 30517629), (15, 20345086), (19, 16061910), (30, 10172543), (38, 8030955), (57, 5353970), (61, 5002890), (67, 4554870), (95, 3212382), (114, 2676985), (122, 2501445), (131, 2329590), (134, 2277435), (183, 1667630), (190, 1606191), (201, 1518290), (262, 1164795), (285, 1070794), (305, 1000578), (335, 910974), (366, 833815), (393, 776530), (402, 759145), (570, 535397), (610, 500289), (655, 465918), (670, 455487), (786, 388265), (915, 333526), (1005, 303658), (1159, 263310), (1273, 239730), (1310, 232959), (1830, 166763), (1965, 155306), (2010, 151829), (2318, 131655), (2489, 122610), (2546, 119865), (3477, 87770), (3819, 79910), (3930, 77653), (4087, 74670), (4978, 61305), (5795, 52662), (6365, 47946), (6954, 43885), (7467, 40870), (7638, 39955), (7991, 38190), (8174, 37335), (8777, 34770), (11590, 26331), (12261, 24890), (12445, 24522), (12730, 23973), (14934, 20435), (15982, 19095), (17385, 17554)]