788972580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{398471}}^1$

素因数の和:398497

約数の個数: 72

約数和(自身を含む): 2610788544

約数和(自身を除く): 1821815964

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, 398471, 796942, 1195413, 1593884, 1992355, 2390826, 3586239, 3984710, 4383181, 4781652, 5977065, 7172478, 7969420, 8766362, 11954130, 13149543, 14344956, 17532724, 17931195, 21915905, 23908260, 26299086, 35862390, 39448629, 43831810, 52598172, 65747715, 71724780, 78897258, 87663620, 131495430, 157794516, 197243145, 262990860, 394486290, 788972580]

約数ペア:

[(1, 788972580), (2, 394486290), (3, 262990860), (4, 197243145), (5, 157794516), (6, 131495430), (9, 87663620), (10, 78897258), (11, 71724780), (12, 65747715), (15, 52598172), (18, 43831810), (20, 39448629), (22, 35862390), (30, 26299086), (33, 23908260), (36, 21915905), (44, 17931195), (45, 17532724), (55, 14344956), (60, 13149543), (66, 11954130), (90, 8766362), (99, 7969420), (110, 7172478), (132, 5977065), (165, 4781652), (180, 4383181), (198, 3984710), (220, 3586239), (330, 2390826), (396, 1992355), (495, 1593884), (660, 1195413), (990, 796942), (1980, 398471)]