204965820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1901}}^1$

素因数の和:2515

約数の個数: 72

約数和(自身を含む): 623095200

約数和(自身を除く): 418129380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 599, 1198, 1797, 1901, 2396, 2995, 3594, 3802, 5391, 5703, 5990, 7188, 7604, 8985, 9505, 10782, 11406, 11980, 17109, 17970, 19010, 21564, 22812, 26955, 28515, 34218, 35940, 38020, 53910, 57030, 68436, 85545, 107820, 114060, 171090, 342180, 1138699, 2277398, 3416097, 4554796, 5693495, 6832194, 10248291, 11386990, 13664388, 17080485, 20496582, 22773980, 34160970, 40993164, 51241455, 68321940, 102482910, 204965820]

約数ペア:

[(1, 204965820), (2, 102482910), (3, 68321940), (4, 51241455), (5, 40993164), (6, 34160970), (9, 22773980), (10, 20496582), (12, 17080485), (15, 13664388), (18, 11386990), (20, 10248291), (30, 6832194), (36, 5693495), (45, 4554796), (60, 3416097), (90, 2277398), (180, 1138699), (599, 342180), (1198, 171090), (1797, 114060), (1901, 107820), (2396, 85545), (2995, 68436), (3594, 57030), (3802, 53910), (5391, 38020), (5703, 35940), (5990, 34218), (7188, 28515), (7604, 26955), (8985, 22812), (9505, 21564), (10782, 19010), (11406, 17970), (11980, 17109)]