1274998720

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:510

約数の個数: 112

約数和(自身を含む): 3095792640

約数和(自身を除く): 1820793920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 137, 160, 229, 254, 274, 320, 458, 508, 548, 635, 685, 916, 1016, 1096, 1145, 1270, 1370, 1832, 2032, 2192, 2290, 2540, 2740, 3664, 4064, 4384, 4580, 5080, 5480, 7328, 8128, 8768, 9160, 10160, 10960, 14656, 17399, 18320, 20320, 21920, 29083, 31373, 34798, 36640, 40640, 43840, 58166, 62746, 69596, 73280, 86995, 116332, 125492, 139192, 145415, 156865, 173990, 232664, 250984, 278384, 290830, 313730, 347980, 465328, 501968, 556768, 581660, 627460, 695960, 930656, 1003936, 1113536, 1163320, 1254920, 1391920, 1861312, 2007872, 2326640, 2509840, 2783840, 3984371, 4653280, 5019680, 5567680, 7968742, 9306560, 10039360, 15937484, 19921855, 31874968, 39843710, 63749936, 79687420, 127499872, 159374840, 254999744, 318749680, 637499360, 1274998720]

約数ペア:

[(1, 1274998720), (2, 637499360), (4, 318749680), (5, 254999744), (8, 159374840), (10, 127499872), (16, 79687420), (20, 63749936), (32, 39843710), (40, 31874968), (64, 19921855), (80, 15937484), (127, 10039360), (137, 9306560), (160, 7968742), (229, 5567680), (254, 5019680), (274, 4653280), (320, 3984371), (458, 2783840), (508, 2509840), (548, 2326640), (635, 2007872), (685, 1861312), (916, 1391920), (1016, 1254920), (1096, 1163320), (1145, 1113536), (1270, 1003936), (1370, 930656), (1832, 695960), (2032, 627460), (2192, 581660), (2290, 556768), (2540, 501968), (2740, 465328), (3664, 347980), (4064, 313730), (4384, 290830), (4580, 278384), (5080, 250984), (5480, 232664), (7328, 173990), (8128, 156865), (8768, 145415), (9160, 139192), (10160, 125492), (10960, 116332), (14656, 86995), (17399, 73280), (18320, 69596), (20320, 62746), (21920, 58166), (29083, 43840), (31373, 40640), (34798, 36640)]