438492780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{221461}}^1$

素因数の和:221487

約数の個数: 72

約数和(自身を含む): 1451019024

約数和(自身を除く): 1012526244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 221461, 442922, 664383, 885844, 1107305, 1328766, 1993149, 2214610, 2436071, 2657532, 3321915, 3986298, 4429220, 4872142, 6643830, 7308213, 7972596, 9744284, 9965745, 12180355, 13287660, 14616426, 19931490, 21924639, 24360710, 29232852, 36541065, 39862980, 43849278, 48721420, 73082130, 87698556, 109623195, 146164260, 219246390, 438492780]

約数ペア:

[(1, 438492780), (2, 219246390), (3, 146164260), (4, 109623195), (5, 87698556), (6, 73082130), (9, 48721420), (10, 43849278), (11, 39862980), (12, 36541065), (15, 29232852), (18, 24360710), (20, 21924639), (22, 19931490), (30, 14616426), (33, 13287660), (36, 12180355), (44, 9965745), (45, 9744284), (55, 7972596), (60, 7308213), (66, 6643830), (90, 4872142), (99, 4429220), (110, 3986298), (132, 3321915), (165, 2657532), (180, 2436071), (198, 2214610), (220, 1993149), (330, 1328766), (396, 1107305), (495, 885844), (660, 664383), (990, 442922), (1980, 221461)]