61512880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 177488640

約数和(自身を除く): 115975760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 247, 260, 283, 286, 304, 380, 418, 440, 494, 520, 566, 572, 715, 760, 836, 880, 988, 1040, 1045, 1132, 1144, 1235, 1415, 1430, 1520, 1672, 1976, 2090, 2264, 2288, 2470, 2717, 2830, 2860, 3113, 3344, 3679, 3952, 4180, 4528, 4940, 5377, 5434, 5660, 5720, 6226, 7358, 8360, 9880, 10754, 10868, 11320, 11440, 12452, 13585, 14716, 15565, 16720, 18395, 19760, 21508, 21736, 22640, 24904, 26885, 27170, 29432, 31130, 36790, 40469, 43016, 43472, 49808, 53770, 54340, 58864, 59147, 62260, 69901, 73580, 80938, 86032, 107540, 108680, 118294, 124520, 139802, 147160, 161876, 202345, 215080, 217360, 236588, 249040, 279604, 294320, 295735, 323752, 349505, 404690, 430160, 473176, 559208, 591470, 647504, 699010, 768911, 809380, 946352, 1118416, 1182940, 1398020, 1537822, 1618760, 2365880, 2796040, 3075644, 3237520, 3844555, 4731760, 5592080, 6151288, 7689110, 12302576, 15378220, 30756440, 61512880]

約数ペア:

[(1, 61512880), (2, 30756440), (4, 15378220), (5, 12302576), (8, 7689110), (10, 6151288), (11, 5592080), (13, 4731760), (16, 3844555), (19, 3237520), (20, 3075644), (22, 2796040), (26, 2365880), (38, 1618760), (40, 1537822), (44, 1398020), (52, 1182940), (55, 1118416), (65, 946352), (76, 809380), (80, 768911), (88, 699010), (95, 647504), (104, 591470), (110, 559208), (130, 473176), (143, 430160), (152, 404690), (176, 349505), (190, 323752), (208, 295735), (209, 294320), (220, 279604), (247, 249040), (260, 236588), (283, 217360), (286, 215080), (304, 202345), (380, 161876), (418, 147160), (440, 139802), (494, 124520), (520, 118294), (566, 108680), (572, 107540), (715, 86032), (760, 80938), (836, 73580), (880, 69901), (988, 62260), (1040, 59147), (1045, 58864), (1132, 54340), (1144, 53770), (1235, 49808), (1415, 43472), (1430, 43016), (1520, 40469), (1672, 36790), (1976, 31130), (2090, 29432), (2264, 27170), (2288, 26885), (2470, 24904), (2717, 22640), (2830, 21736), (2860, 21508), (3113, 19760), (3344, 18395), (3679, 16720), (3952, 15565), (4180, 14716), (4528, 13585), (4940, 12452), (5377, 11440), (5434, 11320), (5660, 10868), (5720, 10754), (6226, 9880), (7358, 8360)]