21220901640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{344719}}^1$

素因数の和:344761

約数の個数: 160

約数和(自身を含む): 75080016000

約数和(自身を除く): 53859114360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 5130, 6156, 6840, 7695, 10260, 12312, 15390, 20520, 30780, 61560, 344719, 689438, 1034157, 1378876, 1723595, 2068314, 2757752, 3102471, 3447190, 4136628, 5170785, 6204942, 6549661, 6894380, 8273256, 9307413, 10341570, 12409884, 13099322, 13788760, 15512355, 18614826, 19648983, 20683140, 24819768, 26198644, 27922239, 31024710, 32748305, 37229652, 39297966, 41366280, 46537065, 52397288, 55844478, 58946949, 62049420, 65496610, 74459304, 78595932, 93074130, 98244915, 111688956, 117893898, 124098840, 130993220, 139611195, 157191864, 176840847, 186148260, 196489830, 223377912, 235787796, 261986440, 279222390, 294734745, 353681694, 372296520, 392979660, 471575592, 530522541, 558444780, 589469490, 707363388, 785959320, 884204235, 1061045082, 1116889560, 1178938980, 1414726776, 1768408470, 2122090164, 2357877960, 2652612705, 3536816940, 4244180328, 5305225410, 7073633880, 10610450820, 21220901640]

約数ペア:

[(1, 21220901640), (2, 10610450820), (3, 7073633880), (4, 5305225410), (5, 4244180328), (6, 3536816940), (8, 2652612705), (9, 2357877960), (10, 2122090164), (12, 1768408470), (15, 1414726776), (18, 1178938980), (19, 1116889560), (20, 1061045082), (24, 884204235), (27, 785959320), (30, 707363388), (36, 589469490), (38, 558444780), (40, 530522541), (45, 471575592), (54, 392979660), (57, 372296520), (60, 353681694), (72, 294734745), (76, 279222390), (81, 261986440), (90, 235787796), (95, 223377912), (108, 196489830), (114, 186148260), (120, 176840847), (135, 157191864), (152, 139611195), (162, 130993220), (171, 124098840), (180, 117893898), (190, 111688956), (216, 98244915), (228, 93074130), (270, 78595932), (285, 74459304), (324, 65496610), (342, 62049420), (360, 58946949), (380, 55844478), (405, 52397288), (456, 46537065), (513, 41366280), (540, 39297966), (570, 37229652), (648, 32748305), (684, 31024710), (760, 27922239), (810, 26198644), (855, 24819768), (1026, 20683140), (1080, 19648983), (1140, 18614826), (1368, 15512355), (1539, 13788760), (1620, 13099322), (1710, 12409884), (2052, 10341570), (2280, 9307413), (2565, 8273256), (3078, 6894380), (3240, 6549661), (3420, 6204942), (4104, 5170785), (5130, 4136628), (6156, 3447190), (6840, 3102471), (7695, 2757752), (10260, 2068314), (12312, 1723595), (15390, 1378876), (20520, 1034157), (30780, 689438), (61560, 344719)]