81655080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3079}}^1$

素因数の和:3123

約数の個数: 128

約数和(自身を含む): 279417600

約数和(自身を除く): 197762520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3079, 3315, 4420, 5304, 6158, 6630, 8840, 9237, 12316, 13260, 15395, 18474, 24632, 26520, 30790, 36948, 40027, 46185, 52343, 61580, 73896, 80054, 92370, 104686, 120081, 123160, 157029, 160108, 184740, 200135, 209372, 240162, 261715, 314058, 320216, 369480, 400270, 418744, 480324, 523430, 600405, 628116, 680459, 785145, 800540, 960648, 1046860, 1200810, 1256232, 1360918, 1570290, 1601080, 2041377, 2093720, 2401620, 2721836, 3140580, 3402295, 4082754, 4803240, 5443672, 6281160, 6804590, 8165508, 10206885, 13609180, 16331016, 20413770, 27218360, 40827540, 81655080]

約数ペア:

[(1, 81655080), (2, 40827540), (3, 27218360), (4, 20413770), (5, 16331016), (6, 13609180), (8, 10206885), (10, 8165508), (12, 6804590), (13, 6281160), (15, 5443672), (17, 4803240), (20, 4082754), (24, 3402295), (26, 3140580), (30, 2721836), (34, 2401620), (39, 2093720), (40, 2041377), (51, 1601080), (52, 1570290), (60, 1360918), (65, 1256232), (68, 1200810), (78, 1046860), (85, 960648), (102, 800540), (104, 785145), (120, 680459), (130, 628116), (136, 600405), (156, 523430), (170, 480324), (195, 418744), (204, 400270), (221, 369480), (255, 320216), (260, 314058), (312, 261715), (340, 240162), (390, 209372), (408, 200135), (442, 184740), (510, 160108), (520, 157029), (663, 123160), (680, 120081), (780, 104686), (884, 92370), (1020, 80054), (1105, 73896), (1326, 61580), (1560, 52343), (1768, 46185), (2040, 40027), (2210, 36948), (2652, 30790), (3079, 26520), (3315, 24632), (4420, 18474), (5304, 15395), (6158, 13260), (6630, 12316), (8840, 9237)]