1271490640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1749

約数の個数: 160

約数和(自身を含む): 3607269120

約数和(自身を除く): 2335778480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 80, 95, 112, 133, 140, 146, 152, 190, 266, 280, 292, 304, 365, 380, 511, 532, 560, 584, 665, 730, 760, 1022, 1064, 1168, 1330, 1387, 1460, 1520, 1637, 2044, 2128, 2555, 2660, 2774, 2920, 3274, 4088, 5110, 5320, 5548, 5840, 6548, 6935, 8176, 8185, 9709, 10220, 10640, 11096, 11459, 13096, 13870, 16370, 19418, 20440, 22192, 22918, 26192, 27740, 31103, 32740, 38836, 40880, 45836, 48545, 55480, 57295, 62206, 65480, 77672, 91672, 97090, 110960, 114590, 119501, 124412, 130960, 155344, 155515, 183344, 194180, 217721, 229180, 239002, 248824, 311030, 388360, 435442, 458360, 478004, 497648, 597505, 622060, 776720, 836507, 870884, 916720, 956008, 1088605, 1195010, 1244120, 1673014, 1741768, 1912016, 2177210, 2270519, 2390020, 2488240, 3346028, 3483536, 4182535, 4354420, 4541038, 4780040, 6692056, 8365070, 8708840, 9082076, 9560080, 11352595, 13384112, 15893633, 16730140, 17417680, 18164152, 22705190, 31787266, 33460280, 36328304, 45410380, 63574532, 66920560, 79468165, 90820760, 127149064, 158936330, 181641520, 254298128, 317872660, 635745320, 1271490640]

約数ペア:

[(1, 1271490640), (2, 635745320), (4, 317872660), (5, 254298128), (7, 181641520), (8, 158936330), (10, 127149064), (14, 90820760), (16, 79468165), (19, 66920560), (20, 63574532), (28, 45410380), (35, 36328304), (38, 33460280), (40, 31787266), (56, 22705190), (70, 18164152), (73, 17417680), (76, 16730140), (80, 15893633), (95, 13384112), (112, 11352595), (133, 9560080), (140, 9082076), (146, 8708840), (152, 8365070), (190, 6692056), (266, 4780040), (280, 4541038), (292, 4354420), (304, 4182535), (365, 3483536), (380, 3346028), (511, 2488240), (532, 2390020), (560, 2270519), (584, 2177210), (665, 1912016), (730, 1741768), (760, 1673014), (1022, 1244120), (1064, 1195010), (1168, 1088605), (1330, 956008), (1387, 916720), (1460, 870884), (1520, 836507), (1637, 776720), (2044, 622060), (2128, 597505), (2555, 497648), (2660, 478004), (2774, 458360), (2920, 435442), (3274, 388360), (4088, 311030), (5110, 248824), (5320, 239002), (5548, 229180), (5840, 217721), (6548, 194180), (6935, 183344), (8176, 155515), (8185, 155344), (9709, 130960), (10220, 124412), (10640, 119501), (11096, 114590), (11459, 110960), (13096, 97090), (13870, 91672), (16370, 77672), (19418, 65480), (20440, 62206), (22192, 57295), (22918, 55480), (26192, 48545), (27740, 45836), (31103, 40880), (32740, 38836)]