77707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 249019776

約数和(自身を除く): 171311856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 83, 94, 120, 141, 166, 188, 235, 240, 249, 282, 332, 376, 415, 470, 498, 564, 664, 705, 752, 830, 940, 996, 1128, 1245, 1328, 1410, 1660, 1880, 1992, 2256, 2490, 2820, 3320, 3760, 3901, 3984, 4980, 5640, 6640, 6889, 7802, 9960, 11280, 11703, 13778, 15604, 19505, 19920, 20667, 23406, 27556, 31208, 34445, 39010, 41334, 46812, 55112, 58515, 62416, 68890, 78020, 82668, 93624, 103335, 110224, 117030, 137780, 156040, 165336, 187248, 206670, 234060, 275560, 312080, 323783, 330672, 413340, 468120, 551120, 647566, 826680, 936240, 971349, 1295132, 1618915, 1653360, 1942698, 2590264, 3237830, 3885396, 4856745, 5180528, 6475660, 7770792, 9713490, 12951320, 15541584, 19426980, 25902640, 38853960, 77707920]

約数ペア:

[(1, 77707920), (2, 38853960), (3, 25902640), (4, 19426980), (5, 15541584), (6, 12951320), (8, 9713490), (10, 7770792), (12, 6475660), (15, 5180528), (16, 4856745), (20, 3885396), (24, 3237830), (30, 2590264), (40, 1942698), (47, 1653360), (48, 1618915), (60, 1295132), (80, 971349), (83, 936240), (94, 826680), (120, 647566), (141, 551120), (166, 468120), (188, 413340), (235, 330672), (240, 323783), (249, 312080), (282, 275560), (332, 234060), (376, 206670), (415, 187248), (470, 165336), (498, 156040), (564, 137780), (664, 117030), (705, 110224), (752, 103335), (830, 93624), (940, 82668), (996, 78020), (1128, 68890), (1245, 62416), (1328, 58515), (1410, 55112), (1660, 46812), (1880, 41334), (1992, 39010), (2256, 34445), (2490, 31208), (2820, 27556), (3320, 23406), (3760, 20667), (3901, 19920), (3984, 19505), (4980, 15604), (5640, 13778), (6640, 11703), (6889, 11280), (7802, 9960)]