80915040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:781

約数の個数: 144

約数和(自身を含む): 279862128

約数和(自身を除く): 198947088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 664, 677, 720, 747, 830, 996, 1245, 1328, 1354, 1440, 1494, 1660, 1992, 2031, 2490, 2656, 2708, 2988, 3320, 3385, 3735, 3984, 4062, 4980, 5416, 5976, 6093, 6640, 6770, 7470, 7968, 8124, 9960, 10155, 10832, 11952, 12186, 13280, 13540, 14940, 16248, 19920, 20310, 21664, 23904, 24372, 27080, 29880, 30465, 32496, 39840, 40620, 48744, 54160, 56191, 59760, 60930, 64992, 81240, 97488, 108320, 112382, 119520, 121860, 162480, 168573, 194976, 224764, 243720, 280955, 324960, 337146, 449528, 487440, 505719, 561910, 674292, 842865, 899056, 974880, 1011438, 1123820, 1348584, 1685730, 1798112, 2022876, 2247640, 2528595, 2697168, 3371460, 4045752, 4495280, 5057190, 5394336, 6742920, 8091504, 8990560, 10114380, 13485840, 16183008, 20228760, 26971680, 40457520, 80915040]

約数ペア:

[(1, 80915040), (2, 40457520), (3, 26971680), (4, 20228760), (5, 16183008), (6, 13485840), (8, 10114380), (9, 8990560), (10, 8091504), (12, 6742920), (15, 5394336), (16, 5057190), (18, 4495280), (20, 4045752), (24, 3371460), (30, 2697168), (32, 2528595), (36, 2247640), (40, 2022876), (45, 1798112), (48, 1685730), (60, 1348584), (72, 1123820), (80, 1011438), (83, 974880), (90, 899056), (96, 842865), (120, 674292), (144, 561910), (160, 505719), (166, 487440), (180, 449528), (240, 337146), (249, 324960), (288, 280955), (332, 243720), (360, 224764), (415, 194976), (480, 168573), (498, 162480), (664, 121860), (677, 119520), (720, 112382), (747, 108320), (830, 97488), (996, 81240), (1245, 64992), (1328, 60930), (1354, 59760), (1440, 56191), (1494, 54160), (1660, 48744), (1992, 40620), (2031, 39840), (2490, 32496), (2656, 30465), (2708, 29880), (2988, 27080), (3320, 24372), (3385, 23904), (3735, 21664), (3984, 20310), (4062, 19920), (4980, 16248), (5416, 14940), (5976, 13540), (6093, 13280), (6640, 12186), (6770, 11952), (7470, 10832), (7968, 10155), (8124, 9960)]