2156960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 5905872

約数和(自身を除く): 3748912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 61, 65, 68, 80, 85, 104, 122, 130, 136, 160, 170, 208, 221, 244, 260, 272, 305, 340, 416, 442, 488, 520, 544, 610, 680, 793, 884, 976, 1037, 1040, 1105, 1220, 1360, 1586, 1768, 1952, 2074, 2080, 2210, 2440, 2720, 3172, 3536, 3965, 4148, 4420, 4880, 5185, 6344, 7072, 7930, 8296, 8840, 9760, 10370, 12688, 13481, 15860, 16592, 17680, 20740, 25376, 26962, 31720, 33184, 35360, 41480, 53924, 63440, 67405, 82960, 107848, 126880, 134810, 165920, 215696, 269620, 431392, 539240, 1078480, 2156960]

約数ペア:

[(1, 2156960), (2, 1078480), (4, 539240), (5, 431392), (8, 269620), (10, 215696), (13, 165920), (16, 134810), (17, 126880), (20, 107848), (26, 82960), (32, 67405), (34, 63440), (40, 53924), (52, 41480), (61, 35360), (65, 33184), (68, 31720), (80, 26962), (85, 25376), (104, 20740), (122, 17680), (130, 16592), (136, 15860), (160, 13481), (170, 12688), (208, 10370), (221, 9760), (244, 8840), (260, 8296), (272, 7930), (305, 7072), (340, 6344), (416, 5185), (442, 4880), (488, 4420), (520, 4148), (544, 3965), (610, 3536), (680, 3172), (793, 2720), (884, 2440), (976, 2210), (1037, 2080), (1040, 2074), (1105, 1952), (1220, 1768), (1360, 1586)]