123668720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 353548800

約数和(自身を除く): 229880080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 59, 70, 76, 80, 95, 112, 118, 133, 140, 152, 190, 197, 236, 266, 280, 295, 304, 380, 394, 413, 472, 532, 560, 590, 665, 760, 788, 826, 944, 985, 1064, 1121, 1180, 1330, 1379, 1520, 1576, 1652, 1970, 2065, 2128, 2242, 2360, 2660, 2758, 3152, 3304, 3743, 3940, 4130, 4484, 4720, 5320, 5516, 5605, 6608, 6895, 7486, 7847, 7880, 8260, 8968, 10640, 11032, 11210, 11623, 13790, 14972, 15694, 15760, 16520, 17936, 18715, 22064, 22420, 23246, 26201, 27580, 29944, 31388, 33040, 37430, 39235, 44840, 46492, 52402, 55160, 58115, 59888, 62776, 74860, 78470, 81361, 89680, 92984, 104804, 110320, 116230, 125552, 131005, 149720, 156940, 162722, 185968, 209608, 220837, 232460, 262010, 299440, 313880, 325444, 406805, 419216, 441674, 464920, 524020, 627760, 650888, 813610, 883348, 929840, 1048040, 1104185, 1301776, 1545859, 1627220, 1766696, 2096080, 2208370, 3091718, 3254440, 3533392, 4416740, 6183436, 6508880, 7729295, 8833480, 12366872, 15458590, 17666960, 24733744, 30917180, 61834360, 123668720]

約数ペア:

[(1, 123668720), (2, 61834360), (4, 30917180), (5, 24733744), (7, 17666960), (8, 15458590), (10, 12366872), (14, 8833480), (16, 7729295), (19, 6508880), (20, 6183436), (28, 4416740), (35, 3533392), (38, 3254440), (40, 3091718), (56, 2208370), (59, 2096080), (70, 1766696), (76, 1627220), (80, 1545859), (95, 1301776), (112, 1104185), (118, 1048040), (133, 929840), (140, 883348), (152, 813610), (190, 650888), (197, 627760), (236, 524020), (266, 464920), (280, 441674), (295, 419216), (304, 406805), (380, 325444), (394, 313880), (413, 299440), (472, 262010), (532, 232460), (560, 220837), (590, 209608), (665, 185968), (760, 162722), (788, 156940), (826, 149720), (944, 131005), (985, 125552), (1064, 116230), (1121, 110320), (1180, 104804), (1330, 92984), (1379, 89680), (1520, 81361), (1576, 78470), (1652, 74860), (1970, 62776), (2065, 59888), (2128, 58115), (2242, 55160), (2360, 52402), (2660, 46492), (2758, 44840), (3152, 39235), (3304, 37430), (3743, 33040), (3940, 31388), (4130, 29944), (4484, 27580), (4720, 26201), (5320, 23246), (5516, 22420), (5605, 22064), (6608, 18715), (6895, 17936), (7486, 16520), (7847, 15760), (7880, 15694), (8260, 14972), (8968, 13790), (10640, 11623), (11032, 11210)]