127740720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 424258560

約数和(自身を除く): 296517840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 131, 136, 170, 204, 239, 240, 255, 262, 272, 340, 393, 408, 478, 510, 524, 655, 680, 717, 786, 816, 956, 1020, 1048, 1195, 1310, 1360, 1434, 1572, 1912, 1965, 2040, 2096, 2227, 2390, 2620, 2868, 3144, 3585, 3824, 3930, 4063, 4080, 4454, 4780, 5240, 5736, 6288, 6681, 7170, 7860, 8126, 8908, 9560, 10480, 11135, 11472, 12189, 13362, 14340, 15720, 16252, 17816, 19120, 20315, 22270, 24378, 26724, 28680, 31309, 31440, 32504, 33405, 35632, 40630, 44540, 48756, 53448, 57360, 60945, 62618, 65008, 66810, 81260, 89080, 93927, 97512, 106896, 121890, 125236, 133620, 156545, 162520, 178160, 187854, 195024, 243780, 250472, 267240, 313090, 325040, 375708, 469635, 487560, 500944, 532253, 534480, 626180, 751416, 939270, 975120, 1064506, 1252360, 1502832, 1596759, 1878540, 2129012, 2504720, 2661265, 3193518, 3757080, 4258024, 5322530, 6387036, 7514160, 7983795, 8516048, 10645060, 12774072, 15967590, 21290120, 25548144, 31935180, 42580240, 63870360, 127740720]

約数ペア:

[(1, 127740720), (2, 63870360), (3, 42580240), (4, 31935180), (5, 25548144), (6, 21290120), (8, 15967590), (10, 12774072), (12, 10645060), (15, 8516048), (16, 7983795), (17, 7514160), (20, 6387036), (24, 5322530), (30, 4258024), (34, 3757080), (40, 3193518), (48, 2661265), (51, 2504720), (60, 2129012), (68, 1878540), (80, 1596759), (85, 1502832), (102, 1252360), (120, 1064506), (131, 975120), (136, 939270), (170, 751416), (204, 626180), (239, 534480), (240, 532253), (255, 500944), (262, 487560), (272, 469635), (340, 375708), (393, 325040), (408, 313090), (478, 267240), (510, 250472), (524, 243780), (655, 195024), (680, 187854), (717, 178160), (786, 162520), (816, 156545), (956, 133620), (1020, 125236), (1048, 121890), (1195, 106896), (1310, 97512), (1360, 93927), (1434, 89080), (1572, 81260), (1912, 66810), (1965, 65008), (2040, 62618), (2096, 60945), (2227, 57360), (2390, 53448), (2620, 48756), (2868, 44540), (3144, 40630), (3585, 35632), (3824, 33405), (3930, 32504), (4063, 31440), (4080, 31309), (4454, 28680), (4780, 26724), (5240, 24378), (5736, 22270), (6288, 20315), (6681, 19120), (7170, 17816), (7860, 16252), (8126, 15720), (8908, 14340), (9560, 13362), (10480, 12189), (11135, 11472)]