71597820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^5\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 237178368

約数和(自身を除く): 165580548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 343, 355, 420, 426, 490, 497, 588, 686, 710, 735, 852, 980, 994, 1029, 1065, 1372, 1420, 1470, 1491, 1715, 1988, 2058, 2130, 2401, 2485, 2940, 2982, 3430, 3479, 4116, 4260, 4802, 4970, 5145, 5964, 6860, 6958, 7203, 7455, 9604, 9940, 10290, 10437, 12005, 13916, 14406, 14910, 16807, 17395, 20580, 20874, 24010, 24353, 28812, 29820, 33614, 34790, 36015, 41748, 48020, 48706, 50421, 52185, 67228, 69580, 72030, 73059, 84035, 97412, 100842, 104370, 121765, 144060, 146118, 168070, 170471, 201684, 208740, 243530, 252105, 292236, 336140, 340942, 365295, 487060, 504210, 511413, 681884, 730590, 852355, 1008420, 1022826, 1193297, 1461180, 1704710, 2045652, 2386594, 2557065, 3409420, 3579891, 4773188, 5114130, 5966485, 7159782, 10228260, 11932970, 14319564, 17899455, 23865940, 35798910, 71597820]

約数ペア:

[(1, 71597820), (2, 35798910), (3, 23865940), (4, 17899455), (5, 14319564), (6, 11932970), (7, 10228260), (10, 7159782), (12, 5966485), (14, 5114130), (15, 4773188), (20, 3579891), (21, 3409420), (28, 2557065), (30, 2386594), (35, 2045652), (42, 1704710), (49, 1461180), (60, 1193297), (70, 1022826), (71, 1008420), (84, 852355), (98, 730590), (105, 681884), (140, 511413), (142, 504210), (147, 487060), (196, 365295), (210, 340942), (213, 336140), (245, 292236), (284, 252105), (294, 243530), (343, 208740), (355, 201684), (420, 170471), (426, 168070), (490, 146118), (497, 144060), (588, 121765), (686, 104370), (710, 100842), (735, 97412), (852, 84035), (980, 73059), (994, 72030), (1029, 69580), (1065, 67228), (1372, 52185), (1420, 50421), (1470, 48706), (1491, 48020), (1715, 41748), (1988, 36015), (2058, 34790), (2130, 33614), (2401, 29820), (2485, 28812), (2940, 24353), (2982, 24010), (3430, 20874), (3479, 20580), (4116, 17395), (4260, 16807), (4802, 14910), (4970, 14406), (5145, 13916), (5964, 12005), (6860, 10437), (6958, 10290), (7203, 9940), (7455, 9604)]