121980120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 381507840

約数和(自身を除く): 259527720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 83, 111, 120, 148, 166, 185, 222, 249, 296, 331, 332, 370, 415, 444, 498, 555, 662, 664, 740, 830, 888, 993, 996, 1110, 1245, 1324, 1480, 1655, 1660, 1986, 1992, 2220, 2490, 2648, 3071, 3310, 3320, 3972, 4440, 4965, 4980, 6142, 6620, 7944, 9213, 9930, 9960, 12247, 12284, 13240, 15355, 18426, 19860, 24494, 24568, 27473, 30710, 36741, 36852, 39720, 46065, 48988, 54946, 61235, 61420, 73482, 73704, 82419, 92130, 97976, 109892, 122470, 122840, 137365, 146964, 164838, 183705, 184260, 219784, 244940, 274730, 293928, 329676, 367410, 368520, 412095, 489880, 549460, 659352, 734820, 824190, 1016501, 1098920, 1469640, 1648380, 2033002, 3049503, 3296760, 4066004, 5082505, 6099006, 8132008, 10165010, 12198012, 15247515, 20330020, 24396024, 30495030, 40660040, 60990060, 121980120]

約数ペア:

[(1, 121980120), (2, 60990060), (3, 40660040), (4, 30495030), (5, 24396024), (6, 20330020), (8, 15247515), (10, 12198012), (12, 10165010), (15, 8132008), (20, 6099006), (24, 5082505), (30, 4066004), (37, 3296760), (40, 3049503), (60, 2033002), (74, 1648380), (83, 1469640), (111, 1098920), (120, 1016501), (148, 824190), (166, 734820), (185, 659352), (222, 549460), (249, 489880), (296, 412095), (331, 368520), (332, 367410), (370, 329676), (415, 293928), (444, 274730), (498, 244940), (555, 219784), (662, 184260), (664, 183705), (740, 164838), (830, 146964), (888, 137365), (993, 122840), (996, 122470), (1110, 109892), (1245, 97976), (1324, 92130), (1480, 82419), (1655, 73704), (1660, 73482), (1986, 61420), (1992, 61235), (2220, 54946), (2490, 48988), (2648, 46065), (3071, 39720), (3310, 36852), (3320, 36741), (3972, 30710), (4440, 27473), (4965, 24568), (4980, 24494), (6142, 19860), (6620, 18426), (7944, 15355), (9213, 13240), (9930, 12284), (9960, 12247)]