164157900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 509800704

約数和(自身を除く): 345642804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 37, 46, 50, 60, 69, 74, 75, 92, 100, 111, 115, 138, 148, 150, 185, 222, 230, 276, 300, 345, 370, 444, 460, 555, 575, 643, 690, 740, 851, 925, 1110, 1150, 1286, 1380, 1702, 1725, 1850, 1929, 2220, 2300, 2553, 2572, 2775, 3215, 3404, 3450, 3700, 3858, 4255, 5106, 5550, 6430, 6900, 7716, 8510, 9645, 10212, 11100, 12765, 12860, 14789, 16075, 17020, 19290, 21275, 23791, 25530, 29578, 32150, 38580, 42550, 44367, 47582, 48225, 51060, 59156, 63825, 64300, 71373, 73945, 85100, 88734, 95164, 96450, 118955, 127650, 142746, 147890, 177468, 192900, 221835, 237910, 255300, 285492, 295780, 356865, 369725, 443670, 475820, 547193, 594775, 713730, 739450, 887340, 1094386, 1109175, 1189550, 1427460, 1478900, 1641579, 1784325, 2188772, 2218350, 2379100, 2735965, 3283158, 3568650, 4436700, 5471930, 6566316, 7137300, 8207895, 10943860, 13679825, 16415790, 27359650, 32831580, 41039475, 54719300, 82078950, 164157900]

約数ペア:

[(1, 164157900), (2, 82078950), (3, 54719300), (4, 41039475), (5, 32831580), (6, 27359650), (10, 16415790), (12, 13679825), (15, 10943860), (20, 8207895), (23, 7137300), (25, 6566316), (30, 5471930), (37, 4436700), (46, 3568650), (50, 3283158), (60, 2735965), (69, 2379100), (74, 2218350), (75, 2188772), (92, 1784325), (100, 1641579), (111, 1478900), (115, 1427460), (138, 1189550), (148, 1109175), (150, 1094386), (185, 887340), (222, 739450), (230, 713730), (276, 594775), (300, 547193), (345, 475820), (370, 443670), (444, 369725), (460, 356865), (555, 295780), (575, 285492), (643, 255300), (690, 237910), (740, 221835), (851, 192900), (925, 177468), (1110, 147890), (1150, 142746), (1286, 127650), (1380, 118955), (1702, 96450), (1725, 95164), (1850, 88734), (1929, 85100), (2220, 73945), (2300, 71373), (2553, 64300), (2572, 63825), (2775, 59156), (3215, 51060), (3404, 48225), (3450, 47582), (3700, 44367), (3858, 42550), (4255, 38580), (5106, 32150), (5550, 29578), (6430, 25530), (6900, 23791), (7716, 21275), (8510, 19290), (9645, 17020), (10212, 16075), (11100, 14789), (12765, 12860)]