28901880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3823}}^1$

素因数の和:3850

約数の個数: 128

約数和(自身を含む): 110131200

約数和(自身を除く): 81229320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 3823, 7560, 7646, 11469, 15292, 19115, 22938, 26761, 30584, 34407, 38230, 45876, 53522, 57345, 68814, 76460, 80283, 91752, 103221, 107044, 114690, 133805, 137628, 152920, 160566, 172035, 206442, 214088, 229380, 240849, 267610, 275256, 321132, 344070, 401415, 412884, 458760, 481698, 516105, 535220, 642264, 688140, 722547, 802830, 825768, 963396, 1032210, 1070440, 1204245, 1376280, 1445094, 1605660, 1926792, 2064420, 2408490, 2890188, 3211320, 3612735, 4128840, 4816980, 5780376, 7225470, 9633960, 14450940, 28901880]

約数ペア:

[(1, 28901880), (2, 14450940), (3, 9633960), (4, 7225470), (5, 5780376), (6, 4816980), (7, 4128840), (8, 3612735), (9, 3211320), (10, 2890188), (12, 2408490), (14, 2064420), (15, 1926792), (18, 1605660), (20, 1445094), (21, 1376280), (24, 1204245), (27, 1070440), (28, 1032210), (30, 963396), (35, 825768), (36, 802830), (40, 722547), (42, 688140), (45, 642264), (54, 535220), (56, 516105), (60, 481698), (63, 458760), (70, 412884), (72, 401415), (84, 344070), (90, 321132), (105, 275256), (108, 267610), (120, 240849), (126, 229380), (135, 214088), (140, 206442), (168, 172035), (180, 160566), (189, 152920), (210, 137628), (216, 133805), (252, 114690), (270, 107044), (280, 103221), (315, 91752), (360, 80283), (378, 76460), (420, 68814), (504, 57345), (540, 53522), (630, 45876), (756, 38230), (840, 34407), (945, 30584), (1080, 26761), (1260, 22938), (1512, 19115), (1890, 15292), (2520, 11469), (3780, 7646), (3823, 7560)]