128922560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1870

約数の個数: 112

約数和(自身を含む): 350251776

約数和(自身を除く): 221329216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 1823, 2080, 2210, 2720, 3536, 3646, 4160, 4420, 5440, 7072, 7292, 8840, 9115, 14144, 14584, 17680, 18230, 23699, 29168, 30991, 35360, 36460, 47398, 58336, 61982, 70720, 72920, 94796, 116672, 118495, 123964, 145840, 154955, 189592, 236990, 247928, 291680, 309910, 379184, 402883, 473980, 495856, 583360, 619820, 758368, 805766, 947960, 991712, 1239640, 1516736, 1611532, 1895920, 1983424, 2014415, 2479280, 3223064, 3791840, 4028830, 4958560, 6446128, 7583680, 8057660, 9917120, 12892256, 16115320, 25784512, 32230640, 64461280, 128922560]

約数ペア:

[(1, 128922560), (2, 64461280), (4, 32230640), (5, 25784512), (8, 16115320), (10, 12892256), (13, 9917120), (16, 8057660), (17, 7583680), (20, 6446128), (26, 4958560), (32, 4028830), (34, 3791840), (40, 3223064), (52, 2479280), (64, 2014415), (65, 1983424), (68, 1895920), (80, 1611532), (85, 1516736), (104, 1239640), (130, 991712), (136, 947960), (160, 805766), (170, 758368), (208, 619820), (221, 583360), (260, 495856), (272, 473980), (320, 402883), (340, 379184), (416, 309910), (442, 291680), (520, 247928), (544, 236990), (680, 189592), (832, 154955), (884, 145840), (1040, 123964), (1088, 118495), (1105, 116672), (1360, 94796), (1768, 72920), (1823, 70720), (2080, 61982), (2210, 58336), (2720, 47398), (3536, 36460), (3646, 35360), (4160, 30991), (4420, 29168), (5440, 23699), (7072, 18230), (7292, 17680), (8840, 14584), (9115, 14144)]