440559080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 1237420800

約数和(自身を除く): 796861720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 43, 52, 61, 65, 68, 76, 85, 86, 95, 104, 122, 130, 136, 152, 170, 172, 190, 215, 221, 244, 247, 260, 305, 323, 340, 344, 380, 430, 442, 488, 494, 520, 559, 610, 646, 680, 731, 760, 793, 817, 860, 884, 988, 1037, 1105, 1118, 1159, 1220, 1235, 1292, 1462, 1586, 1615, 1634, 1720, 1768, 1976, 2074, 2210, 2236, 2318, 2440, 2470, 2584, 2623, 2795, 2924, 3172, 3230, 3268, 3655, 3965, 4085, 4148, 4199, 4420, 4472, 4636, 4940, 5185, 5246, 5590, 5795, 5848, 6344, 6460, 6536, 7310, 7930, 8170, 8296, 8398, 8840, 9272, 9503, 9880, 10370, 10492, 10621, 11180, 11590, 12920, 13115, 13481, 13889, 14620, 15067, 15860, 16340, 16796, 19006, 19703, 20740, 20984, 20995, 21242, 22360, 23180, 26230, 26962, 27778, 29240, 30134, 31720, 32680, 33592, 34099, 38012, 39406, 41480, 41990, 42484, 44591, 46360, 47515, 49837, 52460, 53105, 53924, 55556, 60268, 67405, 68198, 69445, 75335, 76024, 78812, 83980, 84968, 89182, 95030, 98515, 99674, 104920, 106210, 107848, 111112, 120536, 134810, 136396, 138890, 150670, 157624, 167960, 170495, 178364, 180557, 190060, 197030, 199348, 212420, 222955, 249185, 256139, 269620, 272792, 277780, 301340, 340990, 356728, 361114, 380120, 394060, 398696, 424840, 445910, 498370, 512278, 539240, 555560, 579683, 602680, 647881, 681980, 722228, 788120, 847229, 891820, 902785, 996740, 1024556, 1159366, 1280695, 1295762, 1363960, 1444456, 1694458, 1783640, 1805570, 1993480, 2049112, 2318732, 2561390, 2591524, 2898415, 3239405, 3388916, 3611140, 4236145, 4637464, 5122780, 5183048, 5796830, 6478810, 6777832, 7222280, 8472290, 10245560, 11013977, 11593660, 12957620, 16944580, 22027954, 23187320, 25915240, 33889160, 44055908, 55069885, 88111816, 110139770, 220279540, 440559080]

約数ペア:

[(1, 440559080), (2, 220279540), (4, 110139770), (5, 88111816), (8, 55069885), (10, 44055908), (13, 33889160), (17, 25915240), (19, 23187320), (20, 22027954), (26, 16944580), (34, 12957620), (38, 11593660), (40, 11013977), (43, 10245560), (52, 8472290), (61, 7222280), (65, 6777832), (68, 6478810), (76, 5796830), (85, 5183048), (86, 5122780), (95, 4637464), (104, 4236145), (122, 3611140), (130, 3388916), (136, 3239405), (152, 2898415), (170, 2591524), (172, 2561390), (190, 2318732), (215, 2049112), (221, 1993480), (244, 1805570), (247, 1783640), (260, 1694458), (305, 1444456), (323, 1363960), (340, 1295762), (344, 1280695), (380, 1159366), (430, 1024556), (442, 996740), (488, 902785), (494, 891820), (520, 847229), (559, 788120), (610, 722228), (646, 681980), (680, 647881), (731, 602680), (760, 579683), (793, 555560), (817, 539240), (860, 512278), (884, 498370), (988, 445910), (1037, 424840), (1105, 398696), (1118, 394060), (1159, 380120), (1220, 361114), (1235, 356728), (1292, 340990), (1462, 301340), (1586, 277780), (1615, 272792), (1634, 269620), (1720, 256139), (1768, 249185), (1976, 222955), (2074, 212420), (2210, 199348), (2236, 197030), (2318, 190060), (2440, 180557), (2470, 178364), (2584, 170495), (2623, 167960), (2795, 157624), (2924, 150670), (3172, 138890), (3230, 136396), (3268, 134810), (3655, 120536), (3965, 111112), (4085, 107848), (4148, 106210), (4199, 104920), (4420, 99674), (4472, 98515), (4636, 95030), (4940, 89182), (5185, 84968), (5246, 83980), (5590, 78812), (5795, 76024), (5848, 75335), (6344, 69445), (6460, 68198), (6536, 67405), (7310, 60268), (7930, 55556), (8170, 53924), (8296, 53105), (8398, 52460), (8840, 49837), (9272, 47515), (9503, 46360), (9880, 44591), (10370, 42484), (10492, 41990), (10621, 41480), (11180, 39406), (11590, 38012), (12920, 34099), (13115, 33592), (13481, 32680), (13889, 31720), (14620, 30134), (15067, 29240), (15860, 27778), (16340, 26962), (16796, 26230), (19006, 23180), (19703, 22360), (20740, 21242), (20984, 20995)]