1978520070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{8647}}^1$

素因数の和:8949

約数の個数: 64

約数和(自身を含む): 4931435520

約数和(自身を除く): 2952915450

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 263, 290, 435, 526, 789, 870, 1315, 1578, 2630, 3945, 7627, 7890, 8647, 15254, 17294, 22881, 25941, 38135, 43235, 45762, 51882, 76270, 86470, 114405, 129705, 228810, 250763, 259410, 501526, 752289, 1253815, 1504578, 2274161, 2507630, 3761445, 4548322, 6822483, 7522890, 11370805, 13644966, 22741610, 34112415, 65950669, 68224830, 131901338, 197852007, 329753345, 395704014, 659506690, 989260035, 1978520070]

約数ペア:

[(1, 1978520070), (2, 989260035), (3, 659506690), (5, 395704014), (6, 329753345), (10, 197852007), (15, 131901338), (29, 68224830), (30, 65950669), (58, 34112415), (87, 22741610), (145, 13644966), (174, 11370805), (263, 7522890), (290, 6822483), (435, 4548322), (526, 3761445), (789, 2507630), (870, 2274161), (1315, 1504578), (1578, 1253815), (2630, 752289), (3945, 501526), (7627, 259410), (7890, 250763), (8647, 228810), (15254, 129705), (17294, 114405), (22881, 86470), (25941, 76270), (38135, 51882), (43235, 45762)]