1728256400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2039}}^1$

素因数の和:2233

約数の個数: 120

約数和(自身を含む): 4501170240

約数和(自身を除く): 2772913840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 163, 200, 208, 260, 325, 326, 400, 520, 650, 652, 815, 1040, 1300, 1304, 1630, 2039, 2119, 2600, 2608, 3260, 4075, 4078, 4238, 5200, 6520, 8150, 8156, 8476, 10195, 10595, 13040, 16300, 16312, 16952, 20390, 21190, 26507, 32600, 32624, 33904, 40780, 42380, 50975, 52975, 53014, 65200, 81560, 84760, 101950, 105950, 106028, 132535, 163120, 169520, 203900, 211900, 212056, 265070, 332357, 407800, 423800, 424112, 530140, 662675, 664714, 815600, 847600, 1060280, 1325350, 1329428, 1661785, 2120560, 2650700, 2658856, 3323570, 4320641, 5301400, 5317712, 6647140, 8308925, 8641282, 10602800, 13294280, 16617850, 17282564, 21603205, 26588560, 33235700, 34565128, 43206410, 66471400, 69130256, 86412820, 108016025, 132942800, 172825640, 216032050, 345651280, 432064100, 864128200, 1728256400]

約数ペア:

[(1, 1728256400), (2, 864128200), (4, 432064100), (5, 345651280), (8, 216032050), (10, 172825640), (13, 132942800), (16, 108016025), (20, 86412820), (25, 69130256), (26, 66471400), (40, 43206410), (50, 34565128), (52, 33235700), (65, 26588560), (80, 21603205), (100, 17282564), (104, 16617850), (130, 13294280), (163, 10602800), (200, 8641282), (208, 8308925), (260, 6647140), (325, 5317712), (326, 5301400), (400, 4320641), (520, 3323570), (650, 2658856), (652, 2650700), (815, 2120560), (1040, 1661785), (1300, 1329428), (1304, 1325350), (1630, 1060280), (2039, 847600), (2119, 815600), (2600, 664714), (2608, 662675), (3260, 530140), (4075, 424112), (4078, 423800), (4238, 407800), (5200, 332357), (6520, 265070), (8150, 212056), (8156, 211900), (8476, 203900), (10195, 169520), (10595, 163120), (13040, 132535), (16300, 106028), (16312, 105950), (16952, 101950), (20390, 84760), (21190, 81560), (26507, 65200), (32600, 53014), (32624, 52975), (33904, 50975), (40780, 42380)]