2421181840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 240

約数和(自身を含む): 7269713280

約数和(自身を除く): 4848531440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 409, 434, 440, 496, 560, 616, 620, 682, 770, 818, 868, 880, 961, 1085, 1232, 1240, 1364, 1540, 1636, 1705, 1736, 1922, 2045, 2170, 2387, 2480, 2728, 2863, 3080, 3272, 3410, 3472, 3844, 4090, 4340, 4499, 4774, 4805, 5456, 5726, 6160, 6544, 6727, 6820, 7688, 8180, 8680, 8998, 9548, 9610, 10571, 11452, 11935, 12679, 13454, 13640, 14315, 15376, 16360, 17360, 17996, 19096, 19220, 21142, 22495, 22904, 23870, 25358, 26908, 27280, 28630, 31493, 32720, 33635, 35992, 38192, 38440, 42284, 44990, 45808, 47740, 50716, 52855, 53816, 57260, 62986, 63395, 67270, 71984, 73997, 76880, 84568, 88753, 89980, 95480, 101432, 105710, 107632, 114520, 125972, 126790, 134540, 139469, 147994, 157465, 169136, 177506, 179960, 190960, 202864, 211420, 229040, 251944, 253580, 269080, 278938, 295988, 314930, 355012, 359920, 369985, 393049, 422840, 443765, 503888, 507160, 538160, 557876, 591976, 629860, 697345, 710024, 739970, 786098, 845680, 887530, 976283, 1014320, 1115752, 1183952, 1259720, 1394690, 1420048, 1479940, 1572196, 1775060, 1952566, 1965245, 2231504, 2519440, 2751343, 2789380, 2959880, 3144392, 3550120, 3905132, 3930490, 4323539, 4881415, 5502686, 5578760, 5919760, 6288784, 7100240, 7810264, 7860980, 8647078, 9762830, 11005372, 11157520, 13756715, 15620528, 15721960, 17294156, 19525660, 21617695, 22010744, 27513430, 30264773, 31443920, 34588312, 39051320, 43235390, 44021488, 55026860, 60529546, 69176624, 78102640, 86470780, 110053720, 121059092, 151323865, 172941560, 220107440, 242118184, 302647730, 345883120, 484236368, 605295460, 1210590920, 2421181840]

約数ペア:

[(1, 2421181840), (2, 1210590920), (4, 605295460), (5, 484236368), (7, 345883120), (8, 302647730), (10, 242118184), (11, 220107440), (14, 172941560), (16, 151323865), (20, 121059092), (22, 110053720), (28, 86470780), (31, 78102640), (35, 69176624), (40, 60529546), (44, 55026860), (55, 44021488), (56, 43235390), (62, 39051320), (70, 34588312), (77, 31443920), (80, 30264773), (88, 27513430), (110, 22010744), (112, 21617695), (124, 19525660), (140, 17294156), (154, 15721960), (155, 15620528), (176, 13756715), (217, 11157520), (220, 11005372), (248, 9762830), (280, 8647078), (308, 7860980), (310, 7810264), (341, 7100240), (385, 6288784), (409, 5919760), (434, 5578760), (440, 5502686), (496, 4881415), (560, 4323539), (616, 3930490), (620, 3905132), (682, 3550120), (770, 3144392), (818, 2959880), (868, 2789380), (880, 2751343), (961, 2519440), (1085, 2231504), (1232, 1965245), (1240, 1952566), (1364, 1775060), (1540, 1572196), (1636, 1479940), (1705, 1420048), (1736, 1394690), (1922, 1259720), (2045, 1183952), (2170, 1115752), (2387, 1014320), (2480, 976283), (2728, 887530), (2863, 845680), (3080, 786098), (3272, 739970), (3410, 710024), (3472, 697345), (3844, 629860), (4090, 591976), (4340, 557876), (4499, 538160), (4774, 507160), (4805, 503888), (5456, 443765), (5726, 422840), (6160, 393049), (6544, 369985), (6727, 359920), (6820, 355012), (7688, 314930), (8180, 295988), (8680, 278938), (8998, 269080), (9548, 253580), (9610, 251944), (10571, 229040), (11452, 211420), (11935, 202864), (12679, 190960), (13454, 179960), (13640, 177506), (14315, 169136), (15376, 157465), (16360, 147994), (17360, 139469), (17996, 134540), (19096, 126790), (19220, 125972), (21142, 114520), (22495, 107632), (22904, 105710), (23870, 101432), (25358, 95480), (26908, 89980), (27280, 88753), (28630, 84568), (31493, 76880), (32720, 73997), (33635, 71984), (35992, 67270), (38192, 63395), (38440, 62986), (42284, 57260), (44990, 53816), (45808, 52855), (47740, 50716)]