491895720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{743}}^1$

素因数の和:1376

約数の個数: 128

約数和(自身を含む): 1644537600

約数和(自身を除く): 1152641880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 613, 743, 1080, 1226, 1486, 1839, 2229, 2452, 2972, 3065, 3678, 3715, 4458, 4904, 5517, 5944, 6130, 6687, 7356, 7430, 8916, 9195, 11034, 11145, 12260, 13374, 14712, 14860, 16551, 17832, 18390, 20061, 22068, 22290, 24520, 26748, 27585, 29720, 33102, 33435, 36780, 40122, 44136, 44580, 53496, 55170, 66204, 66870, 73560, 80244, 82755, 89160, 100305, 110340, 132408, 133740, 160488, 165510, 200610, 220680, 267480, 331020, 401220, 455459, 662040, 802440, 910918, 1366377, 1821836, 2277295, 2732754, 3643672, 4099131, 4554590, 5465508, 6831885, 8198262, 9109180, 10931016, 12297393, 13663770, 16396524, 18218360, 20495655, 24594786, 27327540, 32793048, 40991310, 49189572, 54655080, 61486965, 81982620, 98379144, 122973930, 163965240, 245947860, 491895720]

約数ペア:

[(1, 491895720), (2, 245947860), (3, 163965240), (4, 122973930), (5, 98379144), (6, 81982620), (8, 61486965), (9, 54655080), (10, 49189572), (12, 40991310), (15, 32793048), (18, 27327540), (20, 24594786), (24, 20495655), (27, 18218360), (30, 16396524), (36, 13663770), (40, 12297393), (45, 10931016), (54, 9109180), (60, 8198262), (72, 6831885), (90, 5465508), (108, 4554590), (120, 4099131), (135, 3643672), (180, 2732754), (216, 2277295), (270, 1821836), (360, 1366377), (540, 910918), (613, 802440), (743, 662040), (1080, 455459), (1226, 401220), (1486, 331020), (1839, 267480), (2229, 220680), (2452, 200610), (2972, 165510), (3065, 160488), (3678, 133740), (3715, 132408), (4458, 110340), (4904, 100305), (5517, 89160), (5944, 82755), (6130, 80244), (6687, 73560), (7356, 66870), (7430, 66204), (8916, 55170), (9195, 53496), (11034, 44580), (11145, 44136), (12260, 40122), (13374, 36780), (14712, 33435), (14860, 33102), (16551, 29720), (17832, 27585), (18390, 26748), (20061, 24520), (22068, 22290)]