2566485040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 7447023360

約数和(自身を除く): 4880538320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 251, 266, 280, 304, 310, 380, 434, 496, 502, 532, 560, 589, 620, 665, 760, 868, 961, 1004, 1064, 1085, 1178, 1240, 1255, 1330, 1520, 1736, 1757, 1922, 2008, 2128, 2170, 2356, 2480, 2510, 2660, 2945, 3472, 3514, 3844, 4016, 4123, 4340, 4712, 4769, 4805, 5020, 5320, 5890, 6727, 7028, 7688, 7781, 8246, 8680, 8785, 9424, 9538, 9610, 10040, 10640, 11780, 13454, 14056, 15376, 15562, 16492, 17360, 17570, 18259, 19076, 19220, 20080, 20615, 23560, 23845, 26908, 28112, 31124, 32984, 33383, 33635, 35140, 36518, 38152, 38440, 38905, 41230, 47120, 47690, 53816, 54467, 62248, 65968, 66766, 67270, 70280, 73036, 76304, 76880, 77810, 82460, 91295, 95380, 107632, 108934, 124496, 127813, 133532, 134540, 140560, 146072, 147839, 155620, 164920, 166915, 182590, 190760, 217868, 241211, 255626, 267064, 269080, 272335, 292144, 295678, 311240, 329840, 333830, 365180, 381520, 435736, 482422, 511252, 534128, 538160, 544670, 591356, 622480, 639065, 667660, 730360, 739195, 871472, 964844, 1022504, 1034873, 1089340, 1182712, 1206055, 1278130, 1335320, 1460720, 1478390, 1688477, 1929688, 2045008, 2069746, 2178680, 2365424, 2412110, 2556260, 2670640, 2956780, 3376954, 3859376, 4139492, 4357360, 4583009, 4824220, 5112520, 5174365, 5913560, 6753908, 8278984, 8442385, 9166018, 9648440, 10225040, 10348730, 11827120, 13507816, 16557968, 16884770, 18332036, 19296880, 20697460, 22915045, 27015632, 32081063, 33769540, 36664072, 41394920, 45830090, 64162126, 67539080, 73328144, 82789840, 91660180, 128324252, 135078160, 160405315, 183320360, 256648504, 320810630, 366640720, 513297008, 641621260, 1283242520, 2566485040]

約数ペア:

[(1, 2566485040), (2, 1283242520), (4, 641621260), (5, 513297008), (7, 366640720), (8, 320810630), (10, 256648504), (14, 183320360), (16, 160405315), (19, 135078160), (20, 128324252), (28, 91660180), (31, 82789840), (35, 73328144), (38, 67539080), (40, 64162126), (56, 45830090), (62, 41394920), (70, 36664072), (76, 33769540), (80, 32081063), (95, 27015632), (112, 22915045), (124, 20697460), (133, 19296880), (140, 18332036), (152, 16884770), (155, 16557968), (190, 13507816), (217, 11827120), (248, 10348730), (251, 10225040), (266, 9648440), (280, 9166018), (304, 8442385), (310, 8278984), (380, 6753908), (434, 5913560), (496, 5174365), (502, 5112520), (532, 4824220), (560, 4583009), (589, 4357360), (620, 4139492), (665, 3859376), (760, 3376954), (868, 2956780), (961, 2670640), (1004, 2556260), (1064, 2412110), (1085, 2365424), (1178, 2178680), (1240, 2069746), (1255, 2045008), (1330, 1929688), (1520, 1688477), (1736, 1478390), (1757, 1460720), (1922, 1335320), (2008, 1278130), (2128, 1206055), (2170, 1182712), (2356, 1089340), (2480, 1034873), (2510, 1022504), (2660, 964844), (2945, 871472), (3472, 739195), (3514, 730360), (3844, 667660), (4016, 639065), (4123, 622480), (4340, 591356), (4712, 544670), (4769, 538160), (4805, 534128), (5020, 511252), (5320, 482422), (5890, 435736), (6727, 381520), (7028, 365180), (7688, 333830), (7781, 329840), (8246, 311240), (8680, 295678), (8785, 292144), (9424, 272335), (9538, 269080), (9610, 267064), (10040, 255626), (10640, 241211), (11780, 217868), (13454, 190760), (14056, 182590), (15376, 166915), (15562, 164920), (16492, 155620), (17360, 147839), (17570, 146072), (18259, 140560), (19076, 134540), (19220, 133532), (20080, 127813), (20615, 124496), (23560, 108934), (23845, 107632), (26908, 95380), (28112, 91295), (31124, 82460), (32984, 77810), (33383, 76880), (33635, 76304), (35140, 73036), (36518, 70280), (38152, 67270), (38440, 66766), (38905, 65968), (41230, 62248), (47120, 54467), (47690, 53816)]