205788540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 616581504

約数和(自身を除く): 410792964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 83, 86, 93, 124, 129, 155, 166, 172, 186, 215, 249, 258, 310, 332, 372, 415, 430, 465, 498, 516, 620, 645, 830, 860, 930, 961, 996, 1245, 1290, 1333, 1660, 1860, 1922, 2490, 2573, 2580, 2666, 2883, 3569, 3844, 3999, 4805, 4980, 5146, 5332, 5766, 6665, 7138, 7719, 7998, 9610, 10292, 10707, 11532, 12865, 13330, 14276, 14415, 15438, 15996, 17845, 19220, 19995, 21414, 25730, 26660, 28830, 30876, 35690, 38595, 39990, 41323, 42828, 51460, 53535, 57660, 71380, 77190, 79763, 79980, 82646, 107070, 110639, 123969, 154380, 159526, 165292, 206615, 214140, 221278, 239289, 247938, 319052, 331917, 398815, 413230, 442556, 478578, 495876, 553195, 619845, 663834, 797630, 826460, 957156, 1106390, 1196445, 1239690, 1327668, 1595260, 1659585, 2212780, 2392890, 2479380, 3319170, 3429809, 4785780, 6638340, 6859618, 10289427, 13719236, 17149045, 20578854, 34298090, 41157708, 51447135, 68596180, 102894270, 205788540]

約数ペア:

[(1, 205788540), (2, 102894270), (3, 68596180), (4, 51447135), (5, 41157708), (6, 34298090), (10, 20578854), (12, 17149045), (15, 13719236), (20, 10289427), (30, 6859618), (31, 6638340), (43, 4785780), (60, 3429809), (62, 3319170), (83, 2479380), (86, 2392890), (93, 2212780), (124, 1659585), (129, 1595260), (155, 1327668), (166, 1239690), (172, 1196445), (186, 1106390), (215, 957156), (249, 826460), (258, 797630), (310, 663834), (332, 619845), (372, 553195), (415, 495876), (430, 478578), (465, 442556), (498, 413230), (516, 398815), (620, 331917), (645, 319052), (830, 247938), (860, 239289), (930, 221278), (961, 214140), (996, 206615), (1245, 165292), (1290, 159526), (1333, 154380), (1660, 123969), (1860, 110639), (1922, 107070), (2490, 82646), (2573, 79980), (2580, 79763), (2666, 77190), (2883, 71380), (3569, 57660), (3844, 53535), (3999, 51460), (4805, 42828), (4980, 41323), (5146, 39990), (5332, 38595), (5766, 35690), (6665, 30876), (7138, 28830), (7719, 26660), (7998, 25730), (9610, 21414), (10292, 19995), (10707, 19220), (11532, 17845), (12865, 15996), (13330, 15438), (14276, 14415)]