205307730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1357

約数の個数: 128

約数和(自身を含む): 595353600

約数和(自身を除く): 390045870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 90, 93, 95, 114, 135, 155, 171, 186, 190, 270, 279, 285, 310, 342, 465, 513, 558, 570, 589, 837, 855, 930, 1026, 1178, 1291, 1395, 1674, 1710, 1767, 2565, 2582, 2790, 2945, 3534, 3873, 4185, 5130, 5301, 5890, 6455, 7746, 8370, 8835, 10602, 11619, 12910, 15903, 17670, 19365, 23238, 24529, 26505, 31806, 34857, 38730, 40021, 49058, 53010, 58095, 69714, 73587, 79515, 80042, 116190, 120063, 122645, 147174, 159030, 174285, 200105, 220761, 240126, 245290, 348570, 360189, 367935, 400210, 441522, 600315, 662283, 720378, 735870, 760399, 1080567, 1103805, 1200630, 1324566, 1520798, 1800945, 2161134, 2207610, 2281197, 3311415, 3601890, 3801995, 4562394, 5402835, 6622830, 6843591, 7603990, 10805670, 11405985, 13687182, 20530773, 22811970, 34217955, 41061546, 68435910, 102653865, 205307730]

約数ペア:

[(1, 205307730), (2, 102653865), (3, 68435910), (5, 41061546), (6, 34217955), (9, 22811970), (10, 20530773), (15, 13687182), (18, 11405985), (19, 10805670), (27, 7603990), (30, 6843591), (31, 6622830), (38, 5402835), (45, 4562394), (54, 3801995), (57, 3601890), (62, 3311415), (90, 2281197), (93, 2207610), (95, 2161134), (114, 1800945), (135, 1520798), (155, 1324566), (171, 1200630), (186, 1103805), (190, 1080567), (270, 760399), (279, 735870), (285, 720378), (310, 662283), (342, 600315), (465, 441522), (513, 400210), (558, 367935), (570, 360189), (589, 348570), (837, 245290), (855, 240126), (930, 220761), (1026, 200105), (1178, 174285), (1291, 159030), (1395, 147174), (1674, 122645), (1710, 120063), (1767, 116190), (2565, 80042), (2582, 79515), (2790, 73587), (2945, 69714), (3534, 58095), (3873, 53010), (4185, 49058), (5130, 40021), (5301, 38730), (5890, 34857), (6455, 31806), (7746, 26505), (8370, 24529), (8835, 23238), (10602, 19365), (11619, 17670), (12910, 15903)]