210310920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 699325380

約数和(自身を除く): 489014460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 157, 180, 183, 244, 305, 314, 360, 366, 471, 488, 549, 610, 628, 732, 785, 915, 942, 1098, 1220, 1256, 1413, 1464, 1570, 1830, 1884, 2196, 2355, 2440, 2745, 2826, 3140, 3660, 3721, 3768, 4392, 4710, 5490, 5652, 6280, 7065, 7320, 7442, 9420, 9577, 10980, 11163, 11304, 14130, 14884, 18605, 18840, 19154, 21960, 22326, 28260, 28731, 29768, 33489, 37210, 38308, 44652, 47885, 55815, 56520, 57462, 66978, 74420, 76616, 86193, 89304, 95770, 111630, 114924, 133956, 143655, 148840, 167445, 172386, 191540, 223260, 229848, 267912, 287310, 334890, 344772, 383080, 430965, 446520, 574620, 584197, 669780, 689544, 861930, 1149240, 1168394, 1339560, 1723860, 1752591, 2336788, 2920985, 3447720, 3505182, 4673576, 5257773, 5841970, 7010364, 8762955, 10515546, 11683940, 14020728, 17525910, 21031092, 23367880, 26288865, 35051820, 42062184, 52577730, 70103640, 105155460, 210310920]

約数ペア:

[(1, 210310920), (2, 105155460), (3, 70103640), (4, 52577730), (5, 42062184), (6, 35051820), (8, 26288865), (9, 23367880), (10, 21031092), (12, 17525910), (15, 14020728), (18, 11683940), (20, 10515546), (24, 8762955), (30, 7010364), (36, 5841970), (40, 5257773), (45, 4673576), (60, 3505182), (61, 3447720), (72, 2920985), (90, 2336788), (120, 1752591), (122, 1723860), (157, 1339560), (180, 1168394), (183, 1149240), (244, 861930), (305, 689544), (314, 669780), (360, 584197), (366, 574620), (471, 446520), (488, 430965), (549, 383080), (610, 344772), (628, 334890), (732, 287310), (785, 267912), (915, 229848), (942, 223260), (1098, 191540), (1220, 172386), (1256, 167445), (1413, 148840), (1464, 143655), (1570, 133956), (1830, 114924), (1884, 111630), (2196, 95770), (2355, 89304), (2440, 86193), (2745, 76616), (2826, 74420), (3140, 66978), (3660, 57462), (3721, 56520), (3768, 55815), (4392, 47885), (4710, 44652), (5490, 38308), (5652, 37210), (6280, 33489), (7065, 29768), (7320, 28731), (7442, 28260), (9420, 22326), (9577, 21960), (10980, 19154), (11163, 18840), (11304, 18605), (14130, 14884)]