1688866680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 5446224000

約数和(自身を除く): 3757357320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 73, 76, 95, 114, 120, 139, 146, 152, 190, 219, 228, 278, 285, 292, 365, 380, 417, 438, 456, 556, 570, 584, 695, 730, 760, 834, 876, 1095, 1112, 1140, 1387, 1390, 1460, 1668, 1752, 2085, 2190, 2280, 2641, 2774, 2780, 2920, 3336, 4161, 4170, 4380, 5282, 5329, 5548, 5560, 6935, 7923, 8322, 8340, 8760, 10147, 10564, 10658, 11096, 13205, 13870, 15846, 15987, 16644, 16680, 20294, 20805, 21128, 21316, 26410, 26645, 27740, 30441, 31692, 31974, 33288, 39615, 40588, 41610, 42632, 50735, 52820, 53290, 55480, 60882, 63384, 63948, 79230, 79935, 81176, 83220, 101251, 101470, 105640, 106580, 121764, 127896, 152205, 158460, 159870, 166440, 192793, 202502, 202940, 213160, 243528, 303753, 304410, 316920, 319740, 385586, 405004, 405880, 506255, 578379, 607506, 608820, 639480, 740731, 771172, 810008, 963965, 1012510, 1156758, 1215012, 1217640, 1481462, 1518765, 1542344, 1927930, 2025020, 2222193, 2313516, 2430024, 2891895, 2962924, 3037530, 3703655, 3855860, 4050040, 4444386, 4627032, 5783790, 5925848, 6075060, 7407310, 7711720, 8888772, 11110965, 11567580, 12150120, 14073889, 14814620, 17777544, 22221930, 23135160, 28147778, 29629240, 42221667, 44443860, 56295556, 70369445, 84443334, 88887720, 112591112, 140738890, 168886668, 211108335, 281477780, 337773336, 422216670, 562955560, 844433340, 1688866680]

約数ペア:

[(1, 1688866680), (2, 844433340), (3, 562955560), (4, 422216670), (5, 337773336), (6, 281477780), (8, 211108335), (10, 168886668), (12, 140738890), (15, 112591112), (19, 88887720), (20, 84443334), (24, 70369445), (30, 56295556), (38, 44443860), (40, 42221667), (57, 29629240), (60, 28147778), (73, 23135160), (76, 22221930), (95, 17777544), (114, 14814620), (120, 14073889), (139, 12150120), (146, 11567580), (152, 11110965), (190, 8888772), (219, 7711720), (228, 7407310), (278, 6075060), (285, 5925848), (292, 5783790), (365, 4627032), (380, 4444386), (417, 4050040), (438, 3855860), (456, 3703655), (556, 3037530), (570, 2962924), (584, 2891895), (695, 2430024), (730, 2313516), (760, 2222193), (834, 2025020), (876, 1927930), (1095, 1542344), (1112, 1518765), (1140, 1481462), (1387, 1217640), (1390, 1215012), (1460, 1156758), (1668, 1012510), (1752, 963965), (2085, 810008), (2190, 771172), (2280, 740731), (2641, 639480), (2774, 608820), (2780, 607506), (2920, 578379), (3336, 506255), (4161, 405880), (4170, 405004), (4380, 385586), (5282, 319740), (5329, 316920), (5548, 304410), (5560, 303753), (6935, 243528), (7923, 213160), (8322, 202940), (8340, 202502), (8760, 192793), (10147, 166440), (10564, 159870), (10658, 158460), (11096, 152205), (13205, 127896), (13870, 121764), (15846, 106580), (15987, 105640), (16644, 101470), (16680, 101251), (20294, 83220), (20805, 81176), (21128, 79935), (21316, 79230), (26410, 63948), (26645, 63384), (27740, 60882), (30441, 55480), (31692, 53290), (31974, 52820), (33288, 50735), (39615, 42632), (40588, 41610)]