30789880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 52154120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 29, 38, 40, 44, 55, 58, 76, 88, 95, 110, 116, 127, 145, 152, 190, 209, 220, 232, 254, 290, 319, 380, 418, 440, 508, 551, 580, 635, 638, 760, 836, 1016, 1045, 1102, 1160, 1270, 1276, 1397, 1595, 1672, 2090, 2204, 2413, 2540, 2552, 2755, 2794, 3190, 3683, 4180, 4408, 4826, 5080, 5510, 5588, 6061, 6380, 6985, 7366, 8360, 9652, 11020, 11176, 12065, 12122, 12760, 13970, 14732, 18415, 19304, 22040, 24130, 24244, 26543, 27940, 29464, 30305, 36830, 40513, 48260, 48488, 53086, 55880, 60610, 69977, 73660, 81026, 96520, 106172, 121220, 132715, 139954, 147320, 162052, 202565, 212344, 242440, 265430, 279908, 324104, 349885, 405130, 530860, 559816, 699770, 769747, 810260, 1061720, 1399540, 1539494, 1620520, 2799080, 3078988, 3848735, 6157976, 7697470, 15394940, 30789880]

約数ペア:

[(1, 30789880), (2, 15394940), (4, 7697470), (5, 6157976), (8, 3848735), (10, 3078988), (11, 2799080), (19, 1620520), (20, 1539494), (22, 1399540), (29, 1061720), (38, 810260), (40, 769747), (44, 699770), (55, 559816), (58, 530860), (76, 405130), (88, 349885), (95, 324104), (110, 279908), (116, 265430), (127, 242440), (145, 212344), (152, 202565), (190, 162052), (209, 147320), (220, 139954), (232, 132715), (254, 121220), (290, 106172), (319, 96520), (380, 81026), (418, 73660), (440, 69977), (508, 60610), (551, 55880), (580, 53086), (635, 48488), (638, 48260), (760, 40513), (836, 36830), (1016, 30305), (1045, 29464), (1102, 27940), (1160, 26543), (1270, 24244), (1276, 24130), (1397, 22040), (1595, 19304), (1672, 18415), (2090, 14732), (2204, 13970), (2413, 12760), (2540, 12122), (2552, 12065), (2755, 11176), (2794, 11020), (3190, 9652), (3683, 8360), (4180, 7366), (4408, 6985), (4826, 6380), (5080, 6061), (5510, 5588)]