245870640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 200

約数和(自身を含む): 899339760

約数和(自身を除く): 653469120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 513, 540, 570, 648, 684, 720, 760, 810, 855, 912, 1026, 1080, 1140, 1296, 1368, 1520, 1539, 1620, 1710, 1997, 2052, 2160, 2280, 2565, 2736, 3078, 3240, 3420, 3994, 4104, 4560, 5130, 5991, 6156, 6480, 6840, 7695, 7988, 8208, 9985, 10260, 11982, 12312, 13680, 15390, 15976, 17973, 19970, 20520, 23964, 24624, 29955, 30780, 31952, 35946, 37943, 39940, 41040, 47928, 53919, 59910, 61560, 71892, 75886, 79880, 89865, 95856, 107838, 113829, 119820, 123120, 143784, 151772, 159760, 161757, 179730, 189715, 215676, 227658, 239640, 269595, 287568, 303544, 323514, 341487, 359460, 379430, 431352, 455316, 479280, 539190, 569145, 607088, 647028, 682974, 718920, 758860, 808785, 862704, 910632, 1024461, 1078380, 1138290, 1294056, 1365948, 1437840, 1517720, 1617570, 1707435, 1821264, 2048922, 2156760, 2276580, 2588112, 2731896, 3035440, 3073383, 3235140, 3414870, 4097844, 4313520, 4553160, 5122305, 5463792, 6146766, 6470280, 6829740, 8195688, 9106320, 10244610, 12293532, 12940560, 13659480, 15366915, 16391376, 20489220, 24587064, 27318960, 30733830, 40978440, 49174128, 61467660, 81956880, 122935320, 245870640]

約数ペア:

[(1, 245870640), (2, 122935320), (3, 81956880), (4, 61467660), (5, 49174128), (6, 40978440), (8, 30733830), (9, 27318960), (10, 24587064), (12, 20489220), (15, 16391376), (16, 15366915), (18, 13659480), (19, 12940560), (20, 12293532), (24, 10244610), (27, 9106320), (30, 8195688), (36, 6829740), (38, 6470280), (40, 6146766), (45, 5463792), (48, 5122305), (54, 4553160), (57, 4313520), (60, 4097844), (72, 3414870), (76, 3235140), (80, 3073383), (81, 3035440), (90, 2731896), (95, 2588112), (108, 2276580), (114, 2156760), (120, 2048922), (135, 1821264), (144, 1707435), (152, 1617570), (162, 1517720), (171, 1437840), (180, 1365948), (190, 1294056), (216, 1138290), (228, 1078380), (240, 1024461), (270, 910632), (285, 862704), (304, 808785), (324, 758860), (342, 718920), (360, 682974), (380, 647028), (405, 607088), (432, 569145), (456, 539190), (513, 479280), (540, 455316), (570, 431352), (648, 379430), (684, 359460), (720, 341487), (760, 323514), (810, 303544), (855, 287568), (912, 269595), (1026, 239640), (1080, 227658), (1140, 215676), (1296, 189715), (1368, 179730), (1520, 161757), (1539, 159760), (1620, 151772), (1710, 143784), (1997, 123120), (2052, 119820), (2160, 113829), (2280, 107838), (2565, 95856), (2736, 89865), (3078, 79880), (3240, 75886), (3420, 71892), (3994, 61560), (4104, 59910), (4560, 53919), (5130, 47928), (5991, 41040), (6156, 39940), (6480, 37943), (6840, 35946), (7695, 31952), (7988, 30780), (8208, 29955), (9985, 24624), (10260, 23964), (11982, 20520), (12312, 19970), (13680, 17973), (15390, 15976)]