1638738080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18521}}^1$

素因数の和:18622

約数の個数: 96

約数和(自身を含む): 4480842240

約数和(自身を除く): 2842104160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 553, 560, 632, 790, 1106, 1120, 1264, 1580, 2212, 2528, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 12640, 17696, 18521, 22120, 37042, 44240, 74084, 88480, 92605, 129647, 148168, 185210, 259294, 296336, 370420, 518588, 592672, 648235, 740840, 1037176, 1296470, 1463159, 1481680, 2074352, 2592940, 2926318, 2963360, 4148704, 5185880, 5852636, 7315795, 10242113, 10371760, 11705272, 14631590, 20484226, 20743520, 23410544, 29263180, 40968452, 46821088, 51210565, 58526360, 81936904, 102421130, 117052720, 163873808, 204842260, 234105440, 327747616, 409684520, 819369040, 1638738080]

約数ペア:

[(1, 1638738080), (2, 819369040), (4, 409684520), (5, 327747616), (7, 234105440), (8, 204842260), (10, 163873808), (14, 117052720), (16, 102421130), (20, 81936904), (28, 58526360), (32, 51210565), (35, 46821088), (40, 40968452), (56, 29263180), (70, 23410544), (79, 20743520), (80, 20484226), (112, 14631590), (140, 11705272), (158, 10371760), (160, 10242113), (224, 7315795), (280, 5852636), (316, 5185880), (395, 4148704), (553, 2963360), (560, 2926318), (632, 2592940), (790, 2074352), (1106, 1481680), (1120, 1463159), (1264, 1296470), (1580, 1037176), (2212, 740840), (2528, 648235), (2765, 592672), (3160, 518588), (4424, 370420), (5530, 296336), (6320, 259294), (8848, 185210), (11060, 148168), (12640, 129647), (17696, 92605), (18521, 88480), (22120, 74084), (37042, 44240)]