639299880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43313}}^1$

素因数の和:43371

約数の個数: 96

約数和(自身を含む): 2128449960

約数和(自身を除く): 1489150080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 7380, 14760, 43313, 86626, 129939, 173252, 216565, 259878, 346504, 389817, 433130, 519756, 649695, 779634, 866260, 1039512, 1299390, 1559268, 1732520, 1775833, 1949085, 2598780, 3118536, 3551666, 3898170, 5197560, 5327499, 7103332, 7796340, 8879165, 10654998, 14206664, 15592680, 15982497, 17758330, 21309996, 26637495, 31964994, 35516660, 42619992, 53274990, 63929988, 71033320, 79912485, 106549980, 127859976, 159824970, 213099960, 319649940, 639299880]

約数ペア:

[(1, 639299880), (2, 319649940), (3, 213099960), (4, 159824970), (5, 127859976), (6, 106549980), (8, 79912485), (9, 71033320), (10, 63929988), (12, 53274990), (15, 42619992), (18, 35516660), (20, 31964994), (24, 26637495), (30, 21309996), (36, 17758330), (40, 15982497), (41, 15592680), (45, 14206664), (60, 10654998), (72, 8879165), (82, 7796340), (90, 7103332), (120, 5327499), (123, 5197560), (164, 3898170), (180, 3551666), (205, 3118536), (246, 2598780), (328, 1949085), (360, 1775833), (369, 1732520), (410, 1559268), (492, 1299390), (615, 1039512), (738, 866260), (820, 779634), (984, 649695), (1230, 519756), (1476, 433130), (1640, 389817), (1845, 346504), (2460, 259878), (2952, 216565), (3690, 173252), (4920, 129939), (7380, 86626), (14760, 43313)]