321615180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1816

約数の個数: 144

約数和(自身を含む): 1050495264

約数和(自身を除く): 728880084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 366, 510, 549, 610, 612, 732, 765, 915, 1020, 1037, 1098, 1220, 1530, 1723, 1830, 2074, 2196, 2745, 3060, 3111, 3446, 3660, 4148, 5169, 5185, 5490, 6222, 6892, 8615, 9333, 10338, 10370, 10980, 12444, 15507, 15555, 17230, 18666, 20676, 20740, 25845, 29291, 31014, 31110, 34460, 37332, 46665, 51690, 58582, 62028, 62220, 77535, 87873, 93330, 103380, 105103, 117164, 146455, 155070, 175746, 186660, 210206, 263619, 292910, 310140, 315309, 351492, 420412, 439365, 525515, 527238, 585820, 630618, 878730, 945927, 1051030, 1054476, 1261236, 1318095, 1576545, 1757460, 1786751, 1891854, 2102060, 2636190, 3153090, 3573502, 3783708, 4729635, 5272380, 5360253, 6306180, 7147004, 8933755, 9459270, 10720506, 16080759, 17867510, 18918540, 21441012, 26801265, 32161518, 35735020, 53602530, 64323036, 80403795, 107205060, 160807590, 321615180]

約数ペア:

[(1, 321615180), (2, 160807590), (3, 107205060), (4, 80403795), (5, 64323036), (6, 53602530), (9, 35735020), (10, 32161518), (12, 26801265), (15, 21441012), (17, 18918540), (18, 17867510), (20, 16080759), (30, 10720506), (34, 9459270), (36, 8933755), (45, 7147004), (51, 6306180), (60, 5360253), (61, 5272380), (68, 4729635), (85, 3783708), (90, 3573502), (102, 3153090), (122, 2636190), (153, 2102060), (170, 1891854), (180, 1786751), (183, 1757460), (204, 1576545), (244, 1318095), (255, 1261236), (305, 1054476), (306, 1051030), (340, 945927), (366, 878730), (510, 630618), (549, 585820), (610, 527238), (612, 525515), (732, 439365), (765, 420412), (915, 351492), (1020, 315309), (1037, 310140), (1098, 292910), (1220, 263619), (1530, 210206), (1723, 186660), (1830, 175746), (2074, 155070), (2196, 146455), (2745, 117164), (3060, 105103), (3111, 103380), (3446, 93330), (3660, 87873), (4148, 77535), (5169, 62220), (5185, 62028), (5490, 58582), (6222, 51690), (6892, 46665), (8615, 37332), (9333, 34460), (10338, 31110), (10370, 31014), (10980, 29291), (12444, 25845), (15507, 20740), (15555, 20676), (17230, 18666)]