205821840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1337

約数の個数: 160

約数和(自身を含む): 737024256

約数和(自身を除く): 531202416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 112, 120, 140, 168, 202, 210, 240, 280, 303, 336, 404, 420, 505, 560, 606, 707, 808, 840, 1010, 1212, 1213, 1414, 1515, 1616, 1680, 2020, 2121, 2424, 2426, 2828, 3030, 3535, 3639, 4040, 4242, 4848, 4852, 5656, 6060, 6065, 7070, 7278, 8080, 8484, 8491, 9704, 10605, 11312, 12120, 12130, 14140, 14556, 16968, 16982, 18195, 19408, 21210, 24240, 24260, 25473, 28280, 29112, 33936, 33964, 36390, 42420, 42455, 48520, 50946, 56560, 58224, 67928, 72780, 84840, 84910, 97040, 101892, 122513, 127365, 135856, 145560, 169680, 169820, 203784, 245026, 254730, 291120, 339640, 367539, 407568, 490052, 509460, 612565, 679280, 735078, 857591, 980104, 1018920, 1225130, 1470156, 1715182, 1837695, 1960208, 2037840, 2450260, 2572773, 2940312, 3430364, 3675390, 4287955, 4900520, 5145546, 5880624, 6860728, 7350780, 8575910, 9801040, 10291092, 12863865, 13721456, 14701560, 17151820, 20582184, 25727730, 29403120, 34303640, 41164368, 51455460, 68607280, 102910920, 205821840]

約数ペア:

[(1, 205821840), (2, 102910920), (3, 68607280), (4, 51455460), (5, 41164368), (6, 34303640), (7, 29403120), (8, 25727730), (10, 20582184), (12, 17151820), (14, 14701560), (15, 13721456), (16, 12863865), (20, 10291092), (21, 9801040), (24, 8575910), (28, 7350780), (30, 6860728), (35, 5880624), (40, 5145546), (42, 4900520), (48, 4287955), (56, 3675390), (60, 3430364), (70, 2940312), (80, 2572773), (84, 2450260), (101, 2037840), (105, 1960208), (112, 1837695), (120, 1715182), (140, 1470156), (168, 1225130), (202, 1018920), (210, 980104), (240, 857591), (280, 735078), (303, 679280), (336, 612565), (404, 509460), (420, 490052), (505, 407568), (560, 367539), (606, 339640), (707, 291120), (808, 254730), (840, 245026), (1010, 203784), (1212, 169820), (1213, 169680), (1414, 145560), (1515, 135856), (1616, 127365), (1680, 122513), (2020, 101892), (2121, 97040), (2424, 84910), (2426, 84840), (2828, 72780), (3030, 67928), (3535, 58224), (3639, 56560), (4040, 50946), (4242, 48520), (4848, 42455), (4852, 42420), (5656, 36390), (6060, 33964), (6065, 33936), (7070, 29112), (7278, 28280), (8080, 25473), (8484, 24260), (8491, 24240), (9704, 21210), (10605, 19408), (11312, 18195), (12120, 16982), (12130, 16968), (14140, 14556)]