28779131200

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1345

約数の個数: 168

約数和(自身を含む): 72103162880

約数和(自身を除く): 43324031680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 223, 316, 320, 395, 400, 446, 632, 790, 800, 892, 1021, 1115, 1264, 1580, 1600, 1784, 1975, 2042, 2230, 2528, 3160, 3568, 3950, 4084, 4460, 5056, 5105, 5575, 6320, 7136, 7900, 8168, 8920, 10210, 11150, 12640, 14272, 15800, 16336, 17617, 17840, 20420, 22300, 25280, 25525, 31600, 32672, 35234, 35680, 40840, 44600, 51050, 63200, 65344, 70468, 71360, 80659, 81680, 88085, 89200, 102100, 126400, 140936, 161318, 163360, 176170, 178400, 204200, 227683, 281872, 322636, 326720, 352340, 356800, 403295, 408400, 440425, 455366, 563744, 645272, 704680, 806590, 816800, 880850, 910732, 1127488, 1138415, 1290544, 1409360, 1613180, 1633600, 1761700, 1821464, 2016475, 2276830, 2581088, 2818720, 3226360, 3523400, 3642928, 4032950, 4553660, 5162176, 5637440, 5692075, 6452720, 7046800, 7285856, 8065900, 9107320, 11384150, 12905440, 14093600, 14571712, 16131800, 17986957, 18214640, 22768300, 25810880, 28187200, 32263600, 35973914, 36429280, 45536600, 64527200, 71947828, 72858560, 89934785, 91073200, 129054400, 143895656, 179869570, 182146400, 287791312, 359739140, 364292800, 449673925, 575582624, 719478280, 899347850, 1151165248, 1438956560, 1798695700, 2877913120, 3597391400, 5755826240, 7194782800, 14389565600, 28779131200]

約数ペア:

[(1, 28779131200), (2, 14389565600), (4, 7194782800), (5, 5755826240), (8, 3597391400), (10, 2877913120), (16, 1798695700), (20, 1438956560), (25, 1151165248), (32, 899347850), (40, 719478280), (50, 575582624), (64, 449673925), (79, 364292800), (80, 359739140), (100, 287791312), (158, 182146400), (160, 179869570), (200, 143895656), (223, 129054400), (316, 91073200), (320, 89934785), (395, 72858560), (400, 71947828), (446, 64527200), (632, 45536600), (790, 36429280), (800, 35973914), (892, 32263600), (1021, 28187200), (1115, 25810880), (1264, 22768300), (1580, 18214640), (1600, 17986957), (1784, 16131800), (1975, 14571712), (2042, 14093600), (2230, 12905440), (2528, 11384150), (3160, 9107320), (3568, 8065900), (3950, 7285856), (4084, 7046800), (4460, 6452720), (5056, 5692075), (5105, 5637440), (5575, 5162176), (6320, 4553660), (7136, 4032950), (7900, 3642928), (8168, 3523400), (8920, 3226360), (10210, 2818720), (11150, 2581088), (12640, 2276830), (14272, 2016475), (15800, 1821464), (16336, 1761700), (17617, 1633600), (17840, 1613180), (20420, 1409360), (22300, 1290544), (25280, 1138415), (25525, 1127488), (31600, 910732), (32672, 880850), (35234, 816800), (35680, 806590), (40840, 704680), (44600, 645272), (51050, 563744), (63200, 455366), (65344, 440425), (70468, 408400), (71360, 403295), (80659, 356800), (81680, 352340), (88085, 326720), (89200, 322636), (102100, 281872), (126400, 227683), (140936, 204200), (161318, 178400), (163360, 176170)]