81923520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 224

約数和(自身を含む): 303141888

約数和(自身を除く): 221218368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 167, 168, 192, 210, 219, 224, 240, 280, 292, 320, 334, 336, 365, 420, 438, 448, 480, 501, 511, 560, 584, 668, 672, 730, 835, 840, 876, 960, 1002, 1022, 1095, 1120, 1168, 1169, 1336, 1344, 1460, 1533, 1670, 1680, 1752, 2004, 2044, 2190, 2240, 2336, 2338, 2505, 2555, 2672, 2920, 3066, 3340, 3360, 3504, 3507, 4008, 4088, 4380, 4672, 4676, 5010, 5110, 5344, 5840, 5845, 6132, 6680, 6720, 7008, 7014, 7665, 8016, 8176, 8760, 9352, 10020, 10220, 10688, 11680, 11690, 12191, 12264, 13360, 14016, 14028, 15330, 16032, 16352, 17520, 17535, 18704, 20040, 20440, 23360, 23380, 24382, 24528, 26720, 28056, 30660, 32064, 32704, 35040, 35070, 36573, 37408, 40080, 40880, 46760, 48764, 49056, 53440, 56112, 60955, 61320, 70080, 70140, 73146, 74816, 80160, 81760, 85337, 93520, 97528, 98112, 112224, 121910, 122640, 140280, 146292, 160320, 163520, 170674, 182865, 187040, 195056, 224448, 243820, 245280, 256011, 280560, 292584, 341348, 365730, 374080, 390112, 426685, 487640, 490560, 512022, 561120, 585168, 682696, 731460, 780224, 853370, 975280, 1024044, 1122240, 1170336, 1280055, 1365392, 1462920, 1706740, 1950560, 2048088, 2340672, 2560110, 2730784, 2925840, 3413480, 3901120, 4096176, 5120220, 5461568, 5851680, 6826960, 8192352, 10240440, 11703360, 13653920, 16384704, 20480880, 27307840, 40961760, 81923520]

約数ペア:

[(1, 81923520), (2, 40961760), (3, 27307840), (4, 20480880), (5, 16384704), (6, 13653920), (7, 11703360), (8, 10240440), (10, 8192352), (12, 6826960), (14, 5851680), (15, 5461568), (16, 5120220), (20, 4096176), (21, 3901120), (24, 3413480), (28, 2925840), (30, 2730784), (32, 2560110), (35, 2340672), (40, 2048088), (42, 1950560), (48, 1706740), (56, 1462920), (60, 1365392), (64, 1280055), (70, 1170336), (73, 1122240), (80, 1024044), (84, 975280), (96, 853370), (105, 780224), (112, 731460), (120, 682696), (140, 585168), (146, 561120), (160, 512022), (167, 490560), (168, 487640), (192, 426685), (210, 390112), (219, 374080), (224, 365730), (240, 341348), (280, 292584), (292, 280560), (320, 256011), (334, 245280), (336, 243820), (365, 224448), (420, 195056), (438, 187040), (448, 182865), (480, 170674), (501, 163520), (511, 160320), (560, 146292), (584, 140280), (668, 122640), (672, 121910), (730, 112224), (835, 98112), (840, 97528), (876, 93520), (960, 85337), (1002, 81760), (1022, 80160), (1095, 74816), (1120, 73146), (1168, 70140), (1169, 70080), (1336, 61320), (1344, 60955), (1460, 56112), (1533, 53440), (1670, 49056), (1680, 48764), (1752, 46760), (2004, 40880), (2044, 40080), (2190, 37408), (2240, 36573), (2336, 35070), (2338, 35040), (2505, 32704), (2555, 32064), (2672, 30660), (2920, 28056), (3066, 26720), (3340, 24528), (3360, 24382), (3504, 23380), (3507, 23360), (4008, 20440), (4088, 20040), (4380, 18704), (4672, 17535), (4676, 17520), (5010, 16352), (5110, 16032), (5344, 15330), (5840, 14028), (5845, 14016), (6132, 13360), (6680, 12264), (6720, 12191), (7008, 11690), (7014, 11680), (7665, 10688), (8016, 10220), (8176, 10020), (8760, 9352)]