2127427720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1079

約数の個数: 128

約数和(自身を含む): 5519145600

約数和(自身を除く): 3391717880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 397, 418, 440, 641, 760, 794, 836, 1045, 1282, 1588, 1672, 1985, 2090, 2564, 3176, 3205, 3970, 4180, 4367, 5128, 6410, 7051, 7543, 7940, 8360, 8734, 12179, 12820, 14102, 15086, 15880, 17468, 21835, 24358, 25640, 28204, 30172, 34936, 35255, 37715, 43670, 48716, 56408, 60344, 60895, 70510, 75430, 82973, 87340, 97432, 121790, 133969, 141020, 150860, 165946, 174680, 243580, 254477, 267938, 282040, 301720, 331892, 414865, 487160, 508954, 535876, 663784, 669845, 829730, 1017908, 1071752, 1272385, 1339690, 1659460, 2035816, 2544770, 2679380, 2799247, 3318920, 4835063, 5089540, 5358760, 5598494, 9670126, 10179080, 11196988, 13996235, 19340252, 22393976, 24175315, 27992470, 38680504, 48350630, 53185693, 55984940, 96701260, 106371386, 111969880, 193402520, 212742772, 265928465, 425485544, 531856930, 1063713860, 2127427720]

約数ペア:

[(1, 2127427720), (2, 1063713860), (4, 531856930), (5, 425485544), (8, 265928465), (10, 212742772), (11, 193402520), (19, 111969880), (20, 106371386), (22, 96701260), (38, 55984940), (40, 53185693), (44, 48350630), (55, 38680504), (76, 27992470), (88, 24175315), (95, 22393976), (110, 19340252), (152, 13996235), (190, 11196988), (209, 10179080), (220, 9670126), (380, 5598494), (397, 5358760), (418, 5089540), (440, 4835063), (641, 3318920), (760, 2799247), (794, 2679380), (836, 2544770), (1045, 2035816), (1282, 1659460), (1588, 1339690), (1672, 1272385), (1985, 1071752), (2090, 1017908), (2564, 829730), (3176, 669845), (3205, 663784), (3970, 535876), (4180, 508954), (4367, 487160), (5128, 414865), (6410, 331892), (7051, 301720), (7543, 282040), (7940, 267938), (8360, 254477), (8734, 243580), (12179, 174680), (12820, 165946), (14102, 150860), (15086, 141020), (15880, 133969), (17468, 121790), (21835, 97432), (24358, 87340), (25640, 82973), (28204, 75430), (30172, 70510), (34936, 60895), (35255, 60344), (37715, 56408), (43670, 48716)]