246693760

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 614692800

約数和(自身を除く): 367999040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 71, 80, 89, 122, 128, 142, 160, 178, 244, 284, 305, 320, 355, 356, 445, 488, 568, 610, 640, 710, 712, 890, 976, 1136, 1220, 1420, 1424, 1780, 1952, 2272, 2440, 2840, 2848, 3560, 3904, 4331, 4544, 4880, 5429, 5680, 5696, 6319, 7120, 7808, 8662, 9088, 9760, 10858, 11360, 11392, 12638, 14240, 17324, 19520, 21655, 21716, 22720, 25276, 27145, 28480, 31595, 34648, 39040, 43310, 43432, 45440, 50552, 54290, 56960, 63190, 69296, 86620, 86864, 101104, 108580, 126380, 138592, 173240, 173728, 202208, 217160, 252760, 277184, 346480, 347456, 385459, 404416, 434320, 505520, 554368, 692960, 694912, 770918, 808832, 868640, 1011040, 1385920, 1541836, 1737280, 1927295, 2022080, 2771840, 3083672, 3474560, 3854590, 4044160, 6167344, 7709180, 12334688, 15418360, 24669376, 30836720, 49338752, 61673440, 123346880, 246693760]

約数ペア:

[(1, 246693760), (2, 123346880), (4, 61673440), (5, 49338752), (8, 30836720), (10, 24669376), (16, 15418360), (20, 12334688), (32, 7709180), (40, 6167344), (61, 4044160), (64, 3854590), (71, 3474560), (80, 3083672), (89, 2771840), (122, 2022080), (128, 1927295), (142, 1737280), (160, 1541836), (178, 1385920), (244, 1011040), (284, 868640), (305, 808832), (320, 770918), (355, 694912), (356, 692960), (445, 554368), (488, 505520), (568, 434320), (610, 404416), (640, 385459), (710, 347456), (712, 346480), (890, 277184), (976, 252760), (1136, 217160), (1220, 202208), (1420, 173728), (1424, 173240), (1780, 138592), (1952, 126380), (2272, 108580), (2440, 101104), (2840, 86864), (2848, 86620), (3560, 69296), (3904, 63190), (4331, 56960), (4544, 54290), (4880, 50552), (5429, 45440), (5680, 43432), (5696, 43310), (6319, 39040), (7120, 34648), (7808, 31595), (8662, 28480), (9088, 27145), (9760, 25276), (10858, 22720), (11360, 21716), (11392, 21655), (12638, 19520), (14240, 17324)]