728165120

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 1864128000

約数和(自身を除く): 1135962880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 79, 80, 95, 128, 152, 158, 160, 190, 256, 304, 316, 320, 379, 380, 395, 608, 632, 640, 758, 760, 790, 1216, 1264, 1280, 1501, 1516, 1520, 1580, 1895, 2432, 2528, 3002, 3032, 3040, 3160, 3790, 4864, 5056, 6004, 6064, 6080, 6320, 7201, 7505, 7580, 10112, 12008, 12128, 12160, 12640, 14402, 15010, 15160, 20224, 24016, 24256, 24320, 25280, 28804, 29941, 30020, 30320, 36005, 48032, 48512, 50560, 57608, 59882, 60040, 60640, 72010, 96064, 97024, 101120, 115216, 119764, 120080, 121280, 144020, 149705, 192128, 230432, 239528, 240160, 242560, 288040, 299410, 384256, 460864, 479056, 480320, 485120, 568879, 576080, 598820, 921728, 958112, 960640, 1137758, 1152160, 1197640, 1843456, 1916224, 1921280, 2275516, 2304320, 2395280, 2844395, 3832448, 4551032, 4608640, 4790560, 5688790, 7664896, 9102064, 9217280, 9581120, 11377580, 18204128, 19162240, 22755160, 36408256, 38324480, 45510320, 72816512, 91020640, 145633024, 182041280, 364082560, 728165120]

約数ペア:

[(1, 728165120), (2, 364082560), (4, 182041280), (5, 145633024), (8, 91020640), (10, 72816512), (16, 45510320), (19, 38324480), (20, 36408256), (32, 22755160), (38, 19162240), (40, 18204128), (64, 11377580), (76, 9581120), (79, 9217280), (80, 9102064), (95, 7664896), (128, 5688790), (152, 4790560), (158, 4608640), (160, 4551032), (190, 3832448), (256, 2844395), (304, 2395280), (316, 2304320), (320, 2275516), (379, 1921280), (380, 1916224), (395, 1843456), (608, 1197640), (632, 1152160), (640, 1137758), (758, 960640), (760, 958112), (790, 921728), (1216, 598820), (1264, 576080), (1280, 568879), (1501, 485120), (1516, 480320), (1520, 479056), (1580, 460864), (1895, 384256), (2432, 299410), (2528, 288040), (3002, 242560), (3032, 240160), (3040, 239528), (3160, 230432), (3790, 192128), (4864, 149705), (5056, 144020), (6004, 121280), (6064, 120080), (6080, 119764), (6320, 115216), (7201, 101120), (7505, 97024), (7580, 96064), (10112, 72010), (12008, 60640), (12128, 60040), (12160, 59882), (12640, 57608), (14402, 50560), (15010, 48512), (15160, 48032), (20224, 36005), (24016, 30320), (24256, 30020), (24320, 29941), (25280, 28804)]