639800100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 288

約数和(自身を含む): 2227357440

約数和(自身を除く): 1587557340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 53, 54, 60, 68, 75, 85, 90, 100, 102, 106, 108, 135, 150, 153, 159, 170, 180, 204, 212, 225, 255, 263, 265, 270, 300, 306, 318, 340, 425, 450, 459, 477, 510, 526, 530, 540, 612, 636, 675, 765, 789, 795, 850, 900, 901, 918, 954, 1020, 1052, 1060, 1275, 1315, 1325, 1350, 1431, 1530, 1578, 1590, 1700, 1802, 1836, 1908, 2295, 2367, 2385, 2550, 2630, 2650, 2700, 2703, 2862, 3060, 3156, 3180, 3604, 3825, 3945, 3975, 4471, 4505, 4590, 4734, 4770, 5100, 5260, 5300, 5406, 5724, 6575, 7101, 7155, 7650, 7890, 7950, 8109, 8942, 9010, 9180, 9468, 9540, 10812, 11475, 11835, 11925, 13150, 13413, 13515, 13939, 14202, 14310, 15300, 15780, 15900, 16218, 17884, 18020, 19725, 22355, 22525, 22950, 23670, 23850, 24327, 26300, 26826, 27030, 27878, 28404, 28620, 32436, 35505, 35775, 39450, 40239, 40545, 41817, 44710, 45050, 45900, 47340, 47700, 48654, 53652, 54060, 55756, 59175, 67065, 67575, 69695, 71010, 71550, 78900, 80478, 81090, 83634, 89420, 90100, 97308, 111775, 118350, 120717, 121635, 125451, 134130, 135150, 139390, 142020, 143100, 160956, 162180, 167268, 177525, 201195, 202725, 209085, 223550, 236700, 236963, 241434, 243270, 250902, 268260, 270300, 278780, 335325, 348475, 355050, 376353, 402390, 405450, 418170, 447100, 473926, 482868, 486540, 501804, 603585, 608175, 627255, 670650, 696950, 710100, 710889, 752706, 804780, 810900, 836340, 947852, 1005975, 1045425, 1184815, 1207170, 1216350, 1254510, 1341300, 1393900, 1421778, 1505412, 1881765, 2011950, 2090850, 2132667, 2369630, 2414340, 2432700, 2509020, 2843556, 3017925, 3136275, 3554445, 3763530, 4023900, 4181700, 4265334, 4739260, 5924075, 6035850, 6272550, 6398001, 7108890, 7527060, 8530668, 9408825, 10663335, 11848150, 12071700, 12545100, 12796002, 14217780, 17772225, 18817650, 21326670, 23696300, 25592004, 31990005, 35544450, 37635300, 42653340, 53316675, 63980010, 71088900, 106633350, 127960020, 159950025, 213266700, 319900050, 639800100]

約数ペア:

[(1, 639800100), (2, 319900050), (3, 213266700), (4, 159950025), (5, 127960020), (6, 106633350), (9, 71088900), (10, 63980010), (12, 53316675), (15, 42653340), (17, 37635300), (18, 35544450), (20, 31990005), (25, 25592004), (27, 23696300), (30, 21326670), (34, 18817650), (36, 17772225), (45, 14217780), (50, 12796002), (51, 12545100), (53, 12071700), (54, 11848150), (60, 10663335), (68, 9408825), (75, 8530668), (85, 7527060), (90, 7108890), (100, 6398001), (102, 6272550), (106, 6035850), (108, 5924075), (135, 4739260), (150, 4265334), (153, 4181700), (159, 4023900), (170, 3763530), (180, 3554445), (204, 3136275), (212, 3017925), (225, 2843556), (255, 2509020), (263, 2432700), (265, 2414340), (270, 2369630), (300, 2132667), (306, 2090850), (318, 2011950), (340, 1881765), (425, 1505412), (450, 1421778), (459, 1393900), (477, 1341300), (510, 1254510), (526, 1216350), (530, 1207170), (540, 1184815), (612, 1045425), (636, 1005975), (675, 947852), (765, 836340), (789, 810900), (795, 804780), (850, 752706), (900, 710889), (901, 710100), (918, 696950), (954, 670650), (1020, 627255), (1052, 608175), (1060, 603585), (1275, 501804), (1315, 486540), (1325, 482868), (1350, 473926), (1431, 447100), (1530, 418170), (1578, 405450), (1590, 402390), (1700, 376353), (1802, 355050), (1836, 348475), (1908, 335325), (2295, 278780), (2367, 270300), (2385, 268260), (2550, 250902), (2630, 243270), (2650, 241434), (2700, 236963), (2703, 236700), (2862, 223550), (3060, 209085), (3156, 202725), (3180, 201195), (3604, 177525), (3825, 167268), (3945, 162180), (3975, 160956), (4471, 143100), (4505, 142020), (4590, 139390), (4734, 135150), (4770, 134130), (5100, 125451), (5260, 121635), (5300, 120717), (5406, 118350), (5724, 111775), (6575, 97308), (7101, 90100), (7155, 89420), (7650, 83634), (7890, 81090), (7950, 80478), (8109, 78900), (8942, 71550), (9010, 71010), (9180, 69695), (9468, 67575), (9540, 67065), (10812, 59175), (11475, 55756), (11835, 54060), (11925, 53652), (13150, 48654), (13413, 47700), (13515, 47340), (13939, 45900), (14202, 45050), (14310, 44710), (15300, 41817), (15780, 40545), (15900, 40239), (16218, 39450), (17884, 35775), (18020, 35505), (19725, 32436), (22355, 28620), (22525, 28404), (22950, 27878), (23670, 27030), (23850, 26826), (24327, 26300)]