205515780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4469

約数の個数: 96

約数和(自身を含む): 620645760

約数和(自身を除く): 415129980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 410, 492, 570, 615, 779, 820, 1140, 1230, 1558, 2337, 2460, 3116, 3895, 4397, 4674, 7790, 8794, 9348, 11685, 13191, 15580, 17588, 21985, 23370, 26382, 43970, 46740, 52764, 65955, 83543, 87940, 131910, 167086, 180277, 250629, 263820, 334172, 360554, 417715, 501258, 540831, 721108, 835430, 901385, 1002516, 1081662, 1253145, 1670860, 1802770, 2163324, 2506290, 2704155, 3425263, 3605540, 5012580, 5408310, 6850526, 10275789, 10816620, 13701052, 17126315, 20551578, 34252630, 41103156, 51378945, 68505260, 102757890, 205515780]

約数ペア:

[(1, 205515780), (2, 102757890), (3, 68505260), (4, 51378945), (5, 41103156), (6, 34252630), (10, 20551578), (12, 17126315), (15, 13701052), (19, 10816620), (20, 10275789), (30, 6850526), (38, 5408310), (41, 5012580), (57, 3605540), (60, 3425263), (76, 2704155), (82, 2506290), (95, 2163324), (114, 1802770), (123, 1670860), (164, 1253145), (190, 1081662), (205, 1002516), (228, 901385), (246, 835430), (285, 721108), (380, 540831), (410, 501258), (492, 417715), (570, 360554), (615, 334172), (779, 263820), (820, 250629), (1140, 180277), (1230, 167086), (1558, 131910), (2337, 87940), (2460, 83543), (3116, 65955), (3895, 52764), (4397, 46740), (4674, 43970), (7790, 26382), (8794, 23370), (9348, 21985), (11685, 17588), (13191, 15580)]