2581349202440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1\times {\mathrm{8623}}^1$

素因数の和:10327

約数の個数: 128

約数和(自身を含む): 5982517094400

約数和(自身を除く): 3401167891960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 1220, 1553, 1580, 2440, 3106, 3160, 4819, 6212, 7765, 8623, 9638, 12424, 15530, 17246, 19276, 24095, 31060, 34492, 38552, 43115, 48190, 62120, 68984, 86230, 94733, 96380, 122687, 172460, 189466, 192760, 245374, 344920, 378932, 473665, 490748, 526003, 613435, 681217, 757864, 947330, 981496, 1052006, 1226870, 1362434, 1894660, 2104012, 2453740, 2630015, 2724868, 3406085, 3789320, 4208024, 4907480, 5260030, 5449736, 6812170, 7483907, 10520060, 13391519, 13624340, 14967814, 21040120, 26783038, 27248680, 29935628, 37419535, 41554237, 53566076, 59871256, 66957595, 74839070, 83108474, 107132152, 133915190, 149678140, 166216948, 207771185, 267830380, 299356280, 332433896, 415542370, 535660760, 816882659, 831084740, 1057930001, 1633765318, 1662169480, 2115860002, 3267530636, 4084413295, 4231720004, 5289650005, 6535061272, 8168826590, 8463440008, 10579300010, 16337653180, 21158600020, 32675306360, 42317200040, 64533730061, 129067460122, 258134920244, 322668650305, 516269840488, 645337300610, 1290674601220, 2581349202440]

約数ペア:

[(1, 2581349202440), (2, 1290674601220), (4, 645337300610), (5, 516269840488), (8, 322668650305), (10, 258134920244), (20, 129067460122), (40, 64533730061), (61, 42317200040), (79, 32675306360), (122, 21158600020), (158, 16337653180), (244, 10579300010), (305, 8463440008), (316, 8168826590), (395, 6535061272), (488, 5289650005), (610, 4231720004), (632, 4084413295), (790, 3267530636), (1220, 2115860002), (1553, 1662169480), (1580, 1633765318), (2440, 1057930001), (3106, 831084740), (3160, 816882659), (4819, 535660760), (6212, 415542370), (7765, 332433896), (8623, 299356280), (9638, 267830380), (12424, 207771185), (15530, 166216948), (17246, 149678140), (19276, 133915190), (24095, 107132152), (31060, 83108474), (34492, 74839070), (38552, 66957595), (43115, 59871256), (48190, 53566076), (62120, 41554237), (68984, 37419535), (86230, 29935628), (94733, 27248680), (96380, 26783038), (122687, 21040120), (172460, 14967814), (189466, 13624340), (192760, 13391519), (245374, 10520060), (344920, 7483907), (378932, 6812170), (473665, 5449736), (490748, 5260030), (526003, 4907480), (613435, 4208024), (681217, 3789320), (757864, 3406085), (947330, 2724868), (981496, 2630015), (1052006, 2453740), (1226870, 2104012), (1362434, 1894660)]