259867840

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:770

約数の個数: 112

約数和(自身を含む): 656722080

約数和(自身を除く): 396854240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 80, 82, 116, 145, 160, 164, 205, 232, 290, 320, 328, 410, 464, 580, 656, 683, 820, 928, 1160, 1189, 1312, 1366, 1640, 1856, 2320, 2378, 2624, 2732, 3280, 3415, 4640, 4756, 5464, 5945, 6560, 6830, 9280, 9512, 10928, 11890, 13120, 13660, 19024, 19807, 21856, 23780, 27320, 28003, 38048, 39614, 43712, 47560, 54640, 56006, 76096, 79228, 95120, 99035, 109280, 112012, 140015, 158456, 190240, 198070, 218560, 224024, 280030, 316912, 380480, 396140, 448048, 560060, 633824, 792280, 812087, 896096, 1120120, 1267648, 1584560, 1624174, 1792192, 2240240, 3169120, 3248348, 4060435, 4480480, 6338240, 6496696, 8120870, 8960960, 12993392, 16241740, 25986784, 32483480, 51973568, 64966960, 129933920, 259867840]

約数ペア:

[(1, 259867840), (2, 129933920), (4, 64966960), (5, 51973568), (8, 32483480), (10, 25986784), (16, 16241740), (20, 12993392), (29, 8960960), (32, 8120870), (40, 6496696), (41, 6338240), (58, 4480480), (64, 4060435), (80, 3248348), (82, 3169120), (116, 2240240), (145, 1792192), (160, 1624174), (164, 1584560), (205, 1267648), (232, 1120120), (290, 896096), (320, 812087), (328, 792280), (410, 633824), (464, 560060), (580, 448048), (656, 396140), (683, 380480), (820, 316912), (928, 280030), (1160, 224024), (1189, 218560), (1312, 198070), (1366, 190240), (1640, 158456), (1856, 140015), (2320, 112012), (2378, 109280), (2624, 99035), (2732, 95120), (3280, 79228), (3415, 76096), (4640, 56006), (4756, 54640), (5464, 47560), (5945, 43712), (6560, 39614), (6830, 38048), (9280, 28003), (9512, 27320), (10928, 23780), (11890, 21856), (13120, 19807), (13660, 19024)]