178872720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{57331}}^1$

素因数の和:57360

約数の個数: 80

約数和(自身を含む): 597170112

約数和(自身を除く): 418297392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 57331, 114662, 171993, 229324, 286655, 343986, 458648, 573310, 687972, 745303, 859965, 917296, 1146620, 1375944, 1490606, 1719930, 2235909, 2293240, 2751888, 2981212, 3439860, 3726515, 4471818, 4586480, 5962424, 6879720, 7453030, 8943636, 11179545, 11924848, 13759440, 14906060, 17887272, 22359090, 29812120, 35774544, 44718180, 59624240, 89436360, 178872720]

約数ペア:

[(1, 178872720), (2, 89436360), (3, 59624240), (4, 44718180), (5, 35774544), (6, 29812120), (8, 22359090), (10, 17887272), (12, 14906060), (13, 13759440), (15, 11924848), (16, 11179545), (20, 8943636), (24, 7453030), (26, 6879720), (30, 5962424), (39, 4586480), (40, 4471818), (48, 3726515), (52, 3439860), (60, 2981212), (65, 2751888), (78, 2293240), (80, 2235909), (104, 1719930), (120, 1490606), (130, 1375944), (156, 1146620), (195, 917296), (208, 859965), (240, 745303), (260, 687972), (312, 573310), (390, 458648), (520, 343986), (624, 286655), (780, 229324), (1040, 171993), (1560, 114662), (3120, 57331)]