30756440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 85881600

約数和(自身を除く): 55125160

約数列:

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

約数ペア:

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