128680920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6271}}^1$

素因数の和:6310

約数の個数: 128

約数和(自身を含む): 451584000

約数和(自身を除く): 322903080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6271, 6840, 10260, 12542, 18813, 20520, 25084, 31355, 37626, 50168, 56439, 62710, 75252, 94065, 112878, 119149, 125420, 150504, 169317, 188130, 225756, 238298, 250840, 282195, 338634, 357447, 376260, 451512, 476596, 564390, 595745, 677268, 714894, 752520, 846585, 953192, 1072341, 1128780, 1191490, 1354536, 1429788, 1693170, 1787235, 2144682, 2257560, 2382980, 2859576, 3217023, 3386340, 3574470, 4289364, 4765960, 5361705, 6434046, 6772680, 7148940, 8578728, 10723410, 12868092, 14297880, 16085115, 21446820, 25736184, 32170230, 42893640, 64340460, 128680920]

約数ペア:

[(1, 128680920), (2, 64340460), (3, 42893640), (4, 32170230), (5, 25736184), (6, 21446820), (8, 16085115), (9, 14297880), (10, 12868092), (12, 10723410), (15, 8578728), (18, 7148940), (19, 6772680), (20, 6434046), (24, 5361705), (27, 4765960), (30, 4289364), (36, 3574470), (38, 3386340), (40, 3217023), (45, 2859576), (54, 2382980), (57, 2257560), (60, 2144682), (72, 1787235), (76, 1693170), (90, 1429788), (95, 1354536), (108, 1191490), (114, 1128780), (120, 1072341), (135, 953192), (152, 846585), (171, 752520), (180, 714894), (190, 677268), (216, 595745), (228, 564390), (270, 476596), (285, 451512), (342, 376260), (360, 357447), (380, 338634), (456, 282195), (513, 250840), (540, 238298), (570, 225756), (684, 188130), (760, 169317), (855, 150504), (1026, 125420), (1080, 119149), (1140, 112878), (1368, 94065), (1710, 75252), (2052, 62710), (2280, 56439), (2565, 50168), (3420, 37626), (4104, 31355), (5130, 25084), (6271, 20520), (6840, 18813), (10260, 12542)]