102812800

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 271062450

約数和(自身を除く): 168249650

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 89, 95, 100, 128, 152, 160, 178, 190, 200, 304, 320, 356, 361, 380, 400, 445, 475, 608, 640, 712, 722, 760, 800, 890, 950, 1216, 1424, 1444, 1520, 1600, 1691, 1780, 1805, 1900, 2225, 2432, 2848, 2888, 3040, 3200, 3382, 3560, 3610, 3800, 4450, 5696, 5776, 6080, 6764, 7120, 7220, 7600, 8455, 8900, 9025, 11392, 11552, 12160, 13528, 14240, 14440, 15200, 16910, 17800, 18050, 23104, 27056, 28480, 28880, 30400, 32129, 33820, 35600, 36100, 42275, 46208, 54112, 56960, 57760, 60800, 64258, 67640, 71200, 72200, 84550, 108224, 115520, 128516, 135280, 142400, 144400, 160645, 169100, 216448, 231040, 257032, 270560, 284800, 288800, 321290, 338200, 514064, 541120, 577600, 642580, 676400, 803225, 1028128, 1082240, 1155200, 1285160, 1352800, 1606450, 2056256, 2570320, 2705600, 3212900, 4112512, 5140640, 5411200, 6425800, 10281280, 12851600, 20562560, 25703200, 51406400, 102812800]

約数ペア:

[(1, 102812800), (2, 51406400), (4, 25703200), (5, 20562560), (8, 12851600), (10, 10281280), (16, 6425800), (19, 5411200), (20, 5140640), (25, 4112512), (32, 3212900), (38, 2705600), (40, 2570320), (50, 2056256), (64, 1606450), (76, 1352800), (80, 1285160), (89, 1155200), (95, 1082240), (100, 1028128), (128, 803225), (152, 676400), (160, 642580), (178, 577600), (190, 541120), (200, 514064), (304, 338200), (320, 321290), (356, 288800), (361, 284800), (380, 270560), (400, 257032), (445, 231040), (475, 216448), (608, 169100), (640, 160645), (712, 144400), (722, 142400), (760, 135280), (800, 128516), (890, 115520), (950, 108224), (1216, 84550), (1424, 72200), (1444, 71200), (1520, 67640), (1600, 64258), (1691, 60800), (1780, 57760), (1805, 56960), (1900, 54112), (2225, 46208), (2432, 42275), (2848, 36100), (2888, 35600), (3040, 33820), (3200, 32129), (3382, 30400), (3560, 28880), (3610, 28480), (3800, 27056), (4450, 23104), (5696, 18050), (5776, 17800), (6080, 16910), (6764, 15200), (7120, 14440), (7220, 14240), (7600, 13528), (8455, 12160), (8900, 11552), (9025, 11392)]