145267720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16433}}^1$

素因数の和:16474

約数の個数: 64

約数和(自身を含む): 372723120

約数和(自身を除く): 227455400

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 16433, 32866, 65732, 82165, 131464, 164330, 213629, 279361, 328660, 427258, 558722, 657320, 854516, 1068145, 1117444, 1396805, 1709032, 2136290, 2234888, 2793610, 3631693, 4272580, 5587220, 7263386, 8545160, 11174440, 14526772, 18158465, 29053544, 36316930, 72633860, 145267720]

約数ペア:

[(1, 145267720), (2, 72633860), (4, 36316930), (5, 29053544), (8, 18158465), (10, 14526772), (13, 11174440), (17, 8545160), (20, 7263386), (26, 5587220), (34, 4272580), (40, 3631693), (52, 2793610), (65, 2234888), (68, 2136290), (85, 1709032), (104, 1396805), (130, 1117444), (136, 1068145), (170, 854516), (221, 657320), (260, 558722), (340, 427258), (442, 328660), (520, 279361), (680, 213629), (884, 164330), (1105, 131464), (1768, 82165), (2210, 65732), (4420, 32866), (8840, 16433)]