28028040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{647}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 88879680

約数和(自身を除く): 60851640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 647, 722, 760, 1083, 1140, 1294, 1444, 1805, 1941, 2166, 2280, 2588, 2888, 3235, 3610, 3882, 4332, 5176, 5415, 6470, 7220, 7764, 8664, 9705, 10830, 12293, 12940, 14440, 15528, 19410, 21660, 24586, 25880, 36879, 38820, 43320, 49172, 61465, 73758, 77640, 98344, 122930, 147516, 184395, 233567, 245860, 295032, 368790, 467134, 491720, 700701, 737580, 934268, 1167835, 1401402, 1475160, 1868536, 2335670, 2802804, 3503505, 4671340, 5605608, 7007010, 9342680, 14014020, 28028040]

約数ペア:

[(1, 28028040), (2, 14014020), (3, 9342680), (4, 7007010), (5, 5605608), (6, 4671340), (8, 3503505), (10, 2802804), (12, 2335670), (15, 1868536), (19, 1475160), (20, 1401402), (24, 1167835), (30, 934268), (38, 737580), (40, 700701), (57, 491720), (60, 467134), (76, 368790), (95, 295032), (114, 245860), (120, 233567), (152, 184395), (190, 147516), (228, 122930), (285, 98344), (361, 77640), (380, 73758), (456, 61465), (570, 49172), (647, 43320), (722, 38820), (760, 36879), (1083, 25880), (1140, 24586), (1294, 21660), (1444, 19410), (1805, 15528), (1941, 14440), (2166, 12940), (2280, 12293), (2588, 10830), (2888, 9705), (3235, 8664), (3610, 7764), (3882, 7220), (4332, 6470), (5176, 5415)]