65616720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21031}}^1$

素因数の和:21060

約数の個数: 80

約数和(自身を含む): 219069312

約数和(自身を除く): 153452592

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, 21031, 42062, 63093, 84124, 105155, 126186, 168248, 210310, 252372, 273403, 315465, 336496, 420620, 504744, 546806, 630930, 820209, 841240, 1009488, 1093612, 1261860, 1367015, 1640418, 1682480, 2187224, 2523720, 2734030, 3280836, 4101045, 4374448, 5047440, 5468060, 6561672, 8202090, 10936120, 13123344, 16404180, 21872240, 32808360, 65616720]

約数ペア:

[(1, 65616720), (2, 32808360), (3, 21872240), (4, 16404180), (5, 13123344), (6, 10936120), (8, 8202090), (10, 6561672), (12, 5468060), (13, 5047440), (15, 4374448), (16, 4101045), (20, 3280836), (24, 2734030), (26, 2523720), (30, 2187224), (39, 1682480), (40, 1640418), (48, 1367015), (52, 1261860), (60, 1093612), (65, 1009488), (78, 841240), (80, 820209), (104, 630930), (120, 546806), (130, 504744), (156, 420620), (195, 336496), (208, 315465), (240, 273403), (260, 252372), (312, 210310), (390, 168248), (520, 126186), (624, 105155), (780, 84124), (1040, 63093), (1560, 42062), (3120, 21031)]