212212720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 551214720

約数和(自身を除く): 339002000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 41, 46, 58, 80, 82, 92, 97, 115, 116, 145, 164, 184, 194, 205, 230, 232, 290, 328, 368, 388, 410, 460, 464, 485, 580, 656, 667, 776, 820, 920, 943, 970, 1160, 1189, 1334, 1552, 1640, 1840, 1886, 1940, 2231, 2320, 2378, 2668, 2813, 3280, 3335, 3772, 3880, 3977, 4462, 4715, 4756, 5336, 5626, 5945, 6670, 7544, 7760, 7954, 8924, 9430, 9512, 10672, 11155, 11252, 11890, 13340, 14065, 15088, 15908, 17848, 18860, 19024, 19885, 22310, 22504, 23780, 26680, 27347, 28130, 31816, 35696, 37720, 39770, 44620, 45008, 47560, 53360, 54694, 56260, 63632, 64699, 75440, 79540, 89240, 91471, 95120, 109388, 112520, 115333, 129398, 136735, 159080, 178480, 182942, 218776, 225040, 230666, 258796, 273470, 318160, 323495, 365884, 437552, 457355, 461332, 517592, 546940, 576665, 646990, 731768, 914710, 922664, 1035184, 1093880, 1153330, 1293980, 1463536, 1829420, 1845328, 2187760, 2306660, 2587960, 2652659, 3658840, 4613320, 5175920, 5305318, 7317680, 9226640, 10610636, 13263295, 21221272, 26526590, 42442544, 53053180, 106106360, 212212720]

約数ペア:

[(1, 212212720), (2, 106106360), (4, 53053180), (5, 42442544), (8, 26526590), (10, 21221272), (16, 13263295), (20, 10610636), (23, 9226640), (29, 7317680), (40, 5305318), (41, 5175920), (46, 4613320), (58, 3658840), (80, 2652659), (82, 2587960), (92, 2306660), (97, 2187760), (115, 1845328), (116, 1829420), (145, 1463536), (164, 1293980), (184, 1153330), (194, 1093880), (205, 1035184), (230, 922664), (232, 914710), (290, 731768), (328, 646990), (368, 576665), (388, 546940), (410, 517592), (460, 461332), (464, 457355), (485, 437552), (580, 365884), (656, 323495), (667, 318160), (776, 273470), (820, 258796), (920, 230666), (943, 225040), (970, 218776), (1160, 182942), (1189, 178480), (1334, 159080), (1552, 136735), (1640, 129398), (1840, 115333), (1886, 112520), (1940, 109388), (2231, 95120), (2320, 91471), (2378, 89240), (2668, 79540), (2813, 75440), (3280, 64699), (3335, 63632), (3772, 56260), (3880, 54694), (3977, 53360), (4462, 47560), (4715, 45008), (4756, 44620), (5336, 39770), (5626, 37720), (5945, 35696), (6670, 31816), (7544, 28130), (7760, 27347), (7954, 26680), (8924, 23780), (9430, 22504), (9512, 22310), (10672, 19885), (11155, 19024), (11252, 18860), (11890, 17848), (13340, 15908), (14065, 15088)]