131549120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 112

約数和(自身を含む): 329184000

約数和(自身を除く): 197634880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 149, 155, 160, 178, 248, 298, 310, 320, 356, 445, 496, 596, 620, 712, 745, 890, 992, 1192, 1240, 1424, 1490, 1780, 1984, 2384, 2480, 2759, 2848, 2980, 3560, 4619, 4768, 4960, 5518, 5696, 5960, 7120, 9238, 9536, 9920, 11036, 11920, 13261, 13795, 14240, 18476, 22072, 23095, 23840, 26522, 27590, 28480, 36952, 44144, 46190, 47680, 53044, 55180, 66305, 73904, 88288, 92380, 106088, 110360, 132610, 147808, 176576, 184760, 212176, 220720, 265220, 295616, 369520, 411091, 424352, 441440, 530440, 739040, 822182, 848704, 882880, 1060880, 1478080, 1644364, 2055455, 2121760, 3288728, 4110910, 4243520, 6577456, 8221820, 13154912, 16443640, 26309824, 32887280, 65774560, 131549120]

約数ペア:

[(1, 131549120), (2, 65774560), (4, 32887280), (5, 26309824), (8, 16443640), (10, 13154912), (16, 8221820), (20, 6577456), (31, 4243520), (32, 4110910), (40, 3288728), (62, 2121760), (64, 2055455), (80, 1644364), (89, 1478080), (124, 1060880), (149, 882880), (155, 848704), (160, 822182), (178, 739040), (248, 530440), (298, 441440), (310, 424352), (320, 411091), (356, 369520), (445, 295616), (496, 265220), (596, 220720), (620, 212176), (712, 184760), (745, 176576), (890, 147808), (992, 132610), (1192, 110360), (1240, 106088), (1424, 92380), (1490, 88288), (1780, 73904), (1984, 66305), (2384, 55180), (2480, 53044), (2759, 47680), (2848, 46190), (2980, 44144), (3560, 36952), (4619, 28480), (4768, 27590), (4960, 26522), (5518, 23840), (5696, 23095), (5960, 22072), (7120, 18476), (9238, 14240), (9536, 13795), (9920, 13261), (11036, 11920)]