38720880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4889}}^1$

素因数の和:4919

約数の個数: 120

約数和(自身を含む): 141888240

約数和(自身を除く): 103167360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 4889, 7920, 9778, 14667, 19556, 24445, 29334, 39112, 44001, 48890, 53779, 58668, 73335, 78224, 88002, 97780, 107558, 117336, 146670, 161337, 176004, 195560, 215116, 220005, 234672, 268895, 293340, 322674, 352008, 391120, 430232, 440010, 484011, 537790, 586680, 645348, 704016, 806685, 860464, 880020, 968022, 1075580, 1173360, 1290696, 1613370, 1760040, 1936044, 2151160, 2420055, 2581392, 3226740, 3520080, 3872088, 4302320, 4840110, 6453480, 7744176, 9680220, 12906960, 19360440, 38720880]

約数ペア:

[(1, 38720880), (2, 19360440), (3, 12906960), (4, 9680220), (5, 7744176), (6, 6453480), (8, 4840110), (9, 4302320), (10, 3872088), (11, 3520080), (12, 3226740), (15, 2581392), (16, 2420055), (18, 2151160), (20, 1936044), (22, 1760040), (24, 1613370), (30, 1290696), (33, 1173360), (36, 1075580), (40, 968022), (44, 880020), (45, 860464), (48, 806685), (55, 704016), (60, 645348), (66, 586680), (72, 537790), (80, 484011), (88, 440010), (90, 430232), (99, 391120), (110, 352008), (120, 322674), (132, 293340), (144, 268895), (165, 234672), (176, 220005), (180, 215116), (198, 195560), (220, 176004), (240, 161337), (264, 146670), (330, 117336), (360, 107558), (396, 97780), (440, 88002), (495, 78224), (528, 73335), (660, 58668), (720, 53779), (792, 48890), (880, 44001), (990, 39112), (1320, 29334), (1584, 24445), (1980, 19556), (2640, 14667), (3960, 9778), (4889, 7920)]