181098540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{143729}}^1$

素因数の和:143751

約数の個数: 72

約数和(自身を含む): 627812640

約数和(自身を除く): 446714100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 143729, 287458, 431187, 574916, 718645, 862374, 1006103, 1293561, 1437290, 1724748, 2012206, 2155935, 2587122, 2874580, 3018309, 4024412, 4311870, 5030515, 5174244, 6036618, 6467805, 8623740, 9054927, 10061030, 12073236, 12935610, 15091545, 18109854, 20122060, 25871220, 30183090, 36219708, 45274635, 60366180, 90549270, 181098540]

約数ペア:

[(1, 181098540), (2, 90549270), (3, 60366180), (4, 45274635), (5, 36219708), (6, 30183090), (7, 25871220), (9, 20122060), (10, 18109854), (12, 15091545), (14, 12935610), (15, 12073236), (18, 10061030), (20, 9054927), (21, 8623740), (28, 6467805), (30, 6036618), (35, 5174244), (36, 5030515), (42, 4311870), (45, 4024412), (60, 3018309), (63, 2874580), (70, 2587122), (84, 2155935), (90, 2012206), (105, 1724748), (126, 1437290), (140, 1293561), (180, 1006103), (210, 862374), (252, 718645), (315, 574916), (420, 431187), (630, 287458), (1260, 143729)]