20150147280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61871}}^1$

素因数の和:61969

約数の個数: 160

約数和(自身を含む): 66287185920

約数和(自身を除く): 46137038640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 59, 60, 69, 80, 92, 115, 118, 120, 138, 177, 184, 230, 236, 240, 276, 295, 345, 354, 368, 460, 472, 552, 590, 690, 708, 885, 920, 944, 1104, 1180, 1357, 1380, 1416, 1770, 1840, 2360, 2714, 2760, 2832, 3540, 4071, 4720, 5428, 5520, 6785, 7080, 8142, 10856, 13570, 14160, 16284, 20355, 21712, 27140, 32568, 40710, 54280, 61871, 65136, 81420, 108560, 123742, 162840, 185613, 247484, 309355, 325680, 371226, 494968, 618710, 742452, 928065, 989936, 1237420, 1423033, 1484904, 1856130, 2474840, 2846066, 2969808, 3650389, 3712260, 4269099, 4949680, 5692132, 7115165, 7300778, 7424520, 8538198, 10951167, 11384264, 14230330, 14601556, 14849040, 17076396, 18251945, 21345495, 21902334, 22768528, 28460660, 29203112, 34152792, 36503890, 42690990, 43804668, 54755835, 56921320, 58406224, 68305584, 73007780, 83958947, 85381980, 87609336, 109511670, 113842640, 146015560, 167917894, 170763960, 175218672, 219023340, 251876841, 292031120, 335835788, 341527920, 419794735, 438046680, 503753682, 671671576, 839589470, 876093360, 1007507364, 1259384205, 1343343152, 1679178940, 2015014728, 2518768410, 3358357880, 4030029456, 5037536820, 6716715760, 10075073640, 20150147280]

約数ペア:

[(1, 20150147280), (2, 10075073640), (3, 6716715760), (4, 5037536820), (5, 4030029456), (6, 3358357880), (8, 2518768410), (10, 2015014728), (12, 1679178940), (15, 1343343152), (16, 1259384205), (20, 1007507364), (23, 876093360), (24, 839589470), (30, 671671576), (40, 503753682), (46, 438046680), (48, 419794735), (59, 341527920), (60, 335835788), (69, 292031120), (80, 251876841), (92, 219023340), (115, 175218672), (118, 170763960), (120, 167917894), (138, 146015560), (177, 113842640), (184, 109511670), (230, 87609336), (236, 85381980), (240, 83958947), (276, 73007780), (295, 68305584), (345, 58406224), (354, 56921320), (368, 54755835), (460, 43804668), (472, 42690990), (552, 36503890), (590, 34152792), (690, 29203112), (708, 28460660), (885, 22768528), (920, 21902334), (944, 21345495), (1104, 18251945), (1180, 17076396), (1357, 14849040), (1380, 14601556), (1416, 14230330), (1770, 11384264), (1840, 10951167), (2360, 8538198), (2714, 7424520), (2760, 7300778), (2832, 7115165), (3540, 5692132), (4071, 4949680), (4720, 4269099), (5428, 3712260), (5520, 3650389), (6785, 2969808), (7080, 2846066), (8142, 2474840), (10856, 1856130), (13570, 1484904), (14160, 1423033), (16284, 1237420), (20355, 989936), (21712, 928065), (27140, 742452), (32568, 618710), (40710, 494968), (54280, 371226), (61871, 325680), (65136, 309355), (81420, 247484), (108560, 185613), (123742, 162840)]