26680920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1425

約数の個数: 128

約数和(自身を含む): 95523840

約数和(自身を除く): 68842920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1381, 1610, 1932, 2415, 2760, 2762, 3220, 3864, 4143, 4830, 5524, 6440, 6905, 8286, 9660, 9667, 11048, 13810, 16572, 19320, 19334, 20715, 27620, 29001, 31763, 33144, 38668, 41430, 48335, 55240, 58002, 63526, 77336, 82860, 95289, 96670, 116004, 127052, 145005, 158815, 165720, 190578, 193340, 222341, 232008, 254104, 290010, 317630, 381156, 386680, 444682, 476445, 580020, 635260, 667023, 762312, 889364, 952890, 1111705, 1160040, 1270520, 1334046, 1778728, 1905780, 2223410, 2668092, 3335115, 3811560, 4446820, 5336184, 6670230, 8893640, 13340460, 26680920]

約数ペア:

[(1, 26680920), (2, 13340460), (3, 8893640), (4, 6670230), (5, 5336184), (6, 4446820), (7, 3811560), (8, 3335115), (10, 2668092), (12, 2223410), (14, 1905780), (15, 1778728), (20, 1334046), (21, 1270520), (23, 1160040), (24, 1111705), (28, 952890), (30, 889364), (35, 762312), (40, 667023), (42, 635260), (46, 580020), (56, 476445), (60, 444682), (69, 386680), (70, 381156), (84, 317630), (92, 290010), (105, 254104), (115, 232008), (120, 222341), (138, 193340), (140, 190578), (161, 165720), (168, 158815), (184, 145005), (210, 127052), (230, 116004), (276, 96670), (280, 95289), (322, 82860), (345, 77336), (420, 63526), (460, 58002), (483, 55240), (552, 48335), (644, 41430), (690, 38668), (805, 33144), (840, 31763), (920, 29001), (966, 27620), (1288, 20715), (1380, 19334), (1381, 19320), (1610, 16572), (1932, 13810), (2415, 11048), (2760, 9667), (2762, 9660), (3220, 8286), (3864, 6905), (4143, 6440), (4830, 5524)]