205450020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4091}}^1$

素因数の和:4143

約数の個数: 120

約数和(自身を含む): 665457408

約数和(自身を除く): 460007388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4091, 4185, 5022, 5580, 8182, 8370, 10044, 12273, 12555, 16364, 16740, 20455, 24546, 25110, 36819, 40910, 49092, 50220, 61365, 73638, 81820, 110457, 122730, 126821, 147276, 184095, 220914, 245460, 253642, 331371, 368190, 380463, 441828, 507284, 552285, 634105, 662742, 736380, 760926, 1104570, 1141389, 1268210, 1325484, 1521852, 1656855, 1902315, 2209140, 2282778, 2536420, 3313710, 3424167, 3804630, 4565556, 5706945, 6627420, 6848334, 7609260, 10272501, 11413890, 13696668, 17120835, 20545002, 22827780, 34241670, 41090004, 51362505, 68483340, 102725010, 205450020]

約数ペア:

[(1, 205450020), (2, 102725010), (3, 68483340), (4, 51362505), (5, 41090004), (6, 34241670), (9, 22827780), (10, 20545002), (12, 17120835), (15, 13696668), (18, 11413890), (20, 10272501), (27, 7609260), (30, 6848334), (31, 6627420), (36, 5706945), (45, 4565556), (54, 3804630), (60, 3424167), (62, 3313710), (81, 2536420), (90, 2282778), (93, 2209140), (108, 1902315), (124, 1656855), (135, 1521852), (155, 1325484), (162, 1268210), (180, 1141389), (186, 1104570), (270, 760926), (279, 736380), (310, 662742), (324, 634105), (372, 552285), (405, 507284), (465, 441828), (540, 380463), (558, 368190), (620, 331371), (810, 253642), (837, 245460), (930, 220914), (1116, 184095), (1395, 147276), (1620, 126821), (1674, 122730), (1860, 110457), (2511, 81820), (2790, 73638), (3348, 61365), (4091, 50220), (4185, 49092), (5022, 40910), (5580, 36819), (8182, 25110), (8370, 24546), (10044, 20455), (12273, 16740), (12555, 16364)]