80903520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2997

約数の個数: 144

約数和(自身を含む): 290712240

約数和(自身を除く): 209808720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 2957, 3040, 3420, 4560, 5472, 5914, 6840, 8871, 9120, 11828, 13680, 14785, 17742, 23656, 26613, 27360, 29570, 35484, 44355, 47312, 53226, 56183, 59140, 70968, 88710, 94624, 106452, 112366, 118280, 133065, 141936, 168549, 177420, 212904, 224732, 236560, 266130, 280915, 283872, 337098, 354840, 425808, 449464, 473120, 505647, 532260, 561830, 674196, 709680, 842745, 851616, 898928, 1011294, 1064520, 1123660, 1348392, 1419360, 1685490, 1797856, 2022588, 2129040, 2247320, 2528235, 2696784, 3370980, 4045176, 4258080, 4494640, 5056470, 5393568, 6741960, 8090352, 8989280, 10112940, 13483920, 16180704, 20225880, 26967840, 40451760, 80903520]

約数ペア:

[(1, 80903520), (2, 40451760), (3, 26967840), (4, 20225880), (5, 16180704), (6, 13483920), (8, 10112940), (9, 8989280), (10, 8090352), (12, 6741960), (15, 5393568), (16, 5056470), (18, 4494640), (19, 4258080), (20, 4045176), (24, 3370980), (30, 2696784), (32, 2528235), (36, 2247320), (38, 2129040), (40, 2022588), (45, 1797856), (48, 1685490), (57, 1419360), (60, 1348392), (72, 1123660), (76, 1064520), (80, 1011294), (90, 898928), (95, 851616), (96, 842745), (114, 709680), (120, 674196), (144, 561830), (152, 532260), (160, 505647), (171, 473120), (180, 449464), (190, 425808), (228, 354840), (240, 337098), (285, 283872), (288, 280915), (304, 266130), (342, 236560), (360, 224732), (380, 212904), (456, 177420), (480, 168549), (570, 141936), (608, 133065), (684, 118280), (720, 112366), (760, 106452), (855, 94624), (912, 88710), (1140, 70968), (1368, 59140), (1440, 56183), (1520, 53226), (1710, 47312), (1824, 44355), (2280, 35484), (2736, 29570), (2957, 27360), (3040, 26613), (3420, 23656), (4560, 17742), (5472, 14785), (5914, 13680), (6840, 11828), (8871, 9120)]