64461280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1868

約数の個数: 96

約数和(自身を含む): 173746944

約数和(自身を除く): 109285664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 1823, 2080, 2210, 2720, 3536, 3646, 4420, 7072, 7292, 8840, 9115, 14584, 17680, 18230, 23699, 29168, 30991, 35360, 36460, 47398, 58336, 61982, 72920, 94796, 118495, 123964, 145840, 154955, 189592, 236990, 247928, 291680, 309910, 379184, 402883, 473980, 495856, 619820, 758368, 805766, 947960, 991712, 1239640, 1611532, 1895920, 2014415, 2479280, 3223064, 3791840, 4028830, 4958560, 6446128, 8057660, 12892256, 16115320, 32230640, 64461280]

約数ペア:

[(1, 64461280), (2, 32230640), (4, 16115320), (5, 12892256), (8, 8057660), (10, 6446128), (13, 4958560), (16, 4028830), (17, 3791840), (20, 3223064), (26, 2479280), (32, 2014415), (34, 1895920), (40, 1611532), (52, 1239640), (65, 991712), (68, 947960), (80, 805766), (85, 758368), (104, 619820), (130, 495856), (136, 473980), (160, 402883), (170, 379184), (208, 309910), (221, 291680), (260, 247928), (272, 236990), (340, 189592), (416, 154955), (442, 145840), (520, 123964), (544, 118495), (680, 94796), (884, 72920), (1040, 61982), (1105, 58336), (1360, 47398), (1768, 36460), (1823, 35360), (2080, 30991), (2210, 29168), (2720, 23699), (3536, 18230), (3646, 17680), (4420, 14584), (7072, 9115), (7292, 8840)]