28921120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 74027520

約数和(自身を除く): 45106400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 80, 92, 115, 116, 145, 160, 184, 230, 232, 271, 290, 368, 460, 464, 542, 580, 667, 736, 920, 928, 1084, 1160, 1334, 1355, 1840, 2168, 2320, 2668, 2710, 3335, 3680, 4336, 4640, 5336, 5420, 6233, 6670, 7859, 8672, 10672, 10840, 12466, 13340, 15718, 21344, 21680, 24932, 26680, 31165, 31436, 39295, 43360, 49864, 53360, 62330, 62872, 78590, 99728, 106720, 124660, 125744, 157180, 180757, 199456, 249320, 251488, 314360, 361514, 498640, 628720, 723028, 903785, 997280, 1257440, 1446056, 1807570, 2892112, 3615140, 5784224, 7230280, 14460560, 28921120]

約数ペア:

[(1, 28921120), (2, 14460560), (4, 7230280), (5, 5784224), (8, 3615140), (10, 2892112), (16, 1807570), (20, 1446056), (23, 1257440), (29, 997280), (32, 903785), (40, 723028), (46, 628720), (58, 498640), (80, 361514), (92, 314360), (115, 251488), (116, 249320), (145, 199456), (160, 180757), (184, 157180), (230, 125744), (232, 124660), (271, 106720), (290, 99728), (368, 78590), (460, 62872), (464, 62330), (542, 53360), (580, 49864), (667, 43360), (736, 39295), (920, 31436), (928, 31165), (1084, 26680), (1160, 24932), (1334, 21680), (1355, 21344), (1840, 15718), (2168, 13340), (2320, 12466), (2668, 10840), (2710, 10672), (3335, 8672), (3680, 7859), (4336, 6670), (4640, 6233), (5336, 5420)]