72073980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 241768800

約数和(自身を除く): 169694820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 89, 90, 99, 110, 132, 165, 178, 180, 198, 220, 267, 330, 356, 396, 409, 445, 495, 534, 660, 801, 818, 890, 979, 990, 1068, 1227, 1335, 1602, 1636, 1780, 1958, 1980, 2045, 2454, 2670, 2937, 3204, 3681, 3916, 4005, 4090, 4499, 4895, 4908, 5340, 5874, 6135, 7362, 8010, 8180, 8811, 8998, 9790, 11748, 12270, 13497, 14685, 14724, 16020, 17622, 17996, 18405, 19580, 22495, 24540, 26994, 29370, 35244, 36401, 36810, 40491, 44055, 44990, 53988, 58740, 67485, 72802, 73620, 80982, 88110, 89980, 109203, 134970, 145604, 161964, 176220, 182005, 202455, 218406, 269940, 327609, 364010, 400411, 404910, 436812, 546015, 655218, 728020, 800822, 809820, 1092030, 1201233, 1310436, 1601644, 1638045, 2002055, 2184060, 2402466, 3276090, 3603699, 4004110, 4804932, 6006165, 6552180, 7207398, 8008220, 12012330, 14414796, 18018495, 24024660, 36036990, 72073980]

約数ペア:

[(1, 72073980), (2, 36036990), (3, 24024660), (4, 18018495), (5, 14414796), (6, 12012330), (9, 8008220), (10, 7207398), (11, 6552180), (12, 6006165), (15, 4804932), (18, 4004110), (20, 3603699), (22, 3276090), (30, 2402466), (33, 2184060), (36, 2002055), (44, 1638045), (45, 1601644), (55, 1310436), (60, 1201233), (66, 1092030), (89, 809820), (90, 800822), (99, 728020), (110, 655218), (132, 546015), (165, 436812), (178, 404910), (180, 400411), (198, 364010), (220, 327609), (267, 269940), (330, 218406), (356, 202455), (396, 182005), (409, 176220), (445, 161964), (495, 145604), (534, 134970), (660, 109203), (801, 89980), (818, 88110), (890, 80982), (979, 73620), (990, 72802), (1068, 67485), (1227, 58740), (1335, 53988), (1602, 44990), (1636, 44055), (1780, 40491), (1958, 36810), (1980, 36401), (2045, 35244), (2454, 29370), (2670, 26994), (2937, 24540), (3204, 22495), (3681, 19580), (3916, 18405), (4005, 17996), (4090, 17622), (4499, 16020), (4895, 14724), (4908, 14685), (5340, 13497), (5874, 12270), (6135, 11748), (7362, 9790), (8010, 8998), (8180, 8811)]