1281930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 3507840

約数和(自身を除く): 2225910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 173, 190, 195, 247, 285, 346, 390, 494, 519, 570, 741, 865, 1038, 1235, 1482, 1730, 2249, 2470, 2595, 3287, 3705, 4498, 5190, 6574, 6747, 7410, 9861, 11245, 13494, 16435, 19722, 22490, 32870, 33735, 42731, 49305, 67470, 85462, 98610, 128193, 213655, 256386, 427310, 640965, 1281930]

約数ペア:

[(1, 1281930), (2, 640965), (3, 427310), (5, 256386), (6, 213655), (10, 128193), (13, 98610), (15, 85462), (19, 67470), (26, 49305), (30, 42731), (38, 33735), (39, 32870), (57, 22490), (65, 19722), (78, 16435), (95, 13494), (114, 11245), (130, 9861), (173, 7410), (190, 6747), (195, 6574), (247, 5190), (285, 4498), (346, 3705), (390, 3287), (494, 2595), (519, 2470), (570, 2249), (741, 1730), (865, 1482), (1038, 1235)]