20181029580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{7013}}^1$

素因数の和:7177

約数の個数: 144

約数和(自身を含む): 63666358560

約数和(自身を除く): 43485328980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 657, 730, 876, 1095, 1314, 1460, 1971, 2190, 2628, 3285, 3942, 4380, 5329, 6570, 7013, 7884, 9855, 10658, 13140, 14026, 15987, 19710, 21039, 21316, 26645, 28052, 31974, 35065, 39420, 42078, 47961, 53290, 63117, 63948, 70130, 79935, 84156, 95922, 105195, 106580, 126234, 140260, 143883, 159870, 189351, 191844, 210390, 239805, 252468, 287766, 315585, 319740, 378702, 420780, 479610, 511949, 575532, 631170, 719415, 757404, 946755, 959220, 1023898, 1262340, 1438830, 1535847, 1893510, 2047796, 2559745, 2877660, 3071694, 3787020, 4607541, 5119490, 6143388, 7679235, 9215082, 10238980, 13822623, 15358470, 18430164, 23037705, 27645246, 30716940, 37372277, 46075410, 55290492, 69113115, 74744554, 92150820, 112116831, 138226230, 149489108, 186861385, 224233662, 276452460, 336350493, 373722770, 448467324, 560584155, 672700986, 747445540, 1009051479, 1121168310, 1345401972, 1681752465, 2018102958, 2242336620, 3363504930, 4036205916, 5045257395, 6727009860, 10090514790, 20181029580]

約数ペア:

[(1, 20181029580), (2, 10090514790), (3, 6727009860), (4, 5045257395), (5, 4036205916), (6, 3363504930), (9, 2242336620), (10, 2018102958), (12, 1681752465), (15, 1345401972), (18, 1121168310), (20, 1009051479), (27, 747445540), (30, 672700986), (36, 560584155), (45, 448467324), (54, 373722770), (60, 336350493), (73, 276452460), (90, 224233662), (108, 186861385), (135, 149489108), (146, 138226230), (180, 112116831), (219, 92150820), (270, 74744554), (292, 69113115), (365, 55290492), (438, 46075410), (540, 37372277), (657, 30716940), (730, 27645246), (876, 23037705), (1095, 18430164), (1314, 15358470), (1460, 13822623), (1971, 10238980), (2190, 9215082), (2628, 7679235), (3285, 6143388), (3942, 5119490), (4380, 4607541), (5329, 3787020), (6570, 3071694), (7013, 2877660), (7884, 2559745), (9855, 2047796), (10658, 1893510), (13140, 1535847), (14026, 1438830), (15987, 1262340), (19710, 1023898), (21039, 959220), (21316, 946755), (26645, 757404), (28052, 719415), (31974, 631170), (35065, 575532), (39420, 511949), (42078, 479610), (47961, 420780), (53290, 378702), (63117, 319740), (63948, 315585), (70130, 287766), (79935, 252468), (84156, 239805), (95922, 210390), (105195, 191844), (106580, 189351), (126234, 159870), (140260, 143883)]