49107780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 159606720

約数和(自身を除く): 110498940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 173, 180, 190, 228, 249, 285, 332, 342, 346, 380, 415, 498, 519, 570, 684, 692, 747, 830, 855, 865, 996, 1038, 1140, 1245, 1494, 1557, 1577, 1660, 1710, 1730, 2076, 2490, 2595, 2988, 3114, 3154, 3287, 3420, 3460, 3735, 4731, 4980, 5190, 6228, 6308, 6574, 7470, 7785, 7885, 9462, 9861, 10380, 13148, 14193, 14359, 14940, 15570, 15770, 16435, 18924, 19722, 23655, 28386, 28718, 29583, 31140, 31540, 32870, 39444, 43077, 47310, 49305, 56772, 57436, 59166, 65740, 70965, 71795, 86154, 94620, 98610, 118332, 129231, 141930, 143590, 147915, 172308, 197220, 215385, 258462, 272821, 283860, 287180, 295830, 430770, 516924, 545642, 591660, 646155, 818463, 861540, 1091284, 1292310, 1364105, 1636926, 2455389, 2584620, 2728210, 3273852, 4092315, 4910778, 5456420, 8184630, 9821556, 12276945, 16369260, 24553890, 49107780]

約数ペア:

[(1, 49107780), (2, 24553890), (3, 16369260), (4, 12276945), (5, 9821556), (6, 8184630), (9, 5456420), (10, 4910778), (12, 4092315), (15, 3273852), (18, 2728210), (19, 2584620), (20, 2455389), (30, 1636926), (36, 1364105), (38, 1292310), (45, 1091284), (57, 861540), (60, 818463), (76, 646155), (83, 591660), (90, 545642), (95, 516924), (114, 430770), (166, 295830), (171, 287180), (173, 283860), (180, 272821), (190, 258462), (228, 215385), (249, 197220), (285, 172308), (332, 147915), (342, 143590), (346, 141930), (380, 129231), (415, 118332), (498, 98610), (519, 94620), (570, 86154), (684, 71795), (692, 70965), (747, 65740), (830, 59166), (855, 57436), (865, 56772), (996, 49305), (1038, 47310), (1140, 43077), (1245, 39444), (1494, 32870), (1557, 31540), (1577, 31140), (1660, 29583), (1710, 28718), (1730, 28386), (2076, 23655), (2490, 19722), (2595, 18924), (2988, 16435), (3114, 15770), (3154, 15570), (3287, 14940), (3420, 14359), (3460, 14193), (3735, 13148), (4731, 10380), (4980, 9861), (5190, 9462), (6228, 7885), (6308, 7785), (6574, 7470)]