28691040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{8539}}^1$

素因数の和:8564

約数の個数: 96

約数和(自身を含む): 103299840

約数和(自身を除く): 74608800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 8539, 17078, 25617, 34156, 42695, 51234, 59773, 68312, 85390, 102468, 119546, 128085, 136624, 170780, 179319, 204936, 239092, 256170, 273248, 298865, 341560, 358638, 409872, 478184, 512340, 597730, 683120, 717276, 819744, 896595, 956368, 1024680, 1195460, 1366240, 1434552, 1793190, 1912736, 2049360, 2390920, 2869104, 3586380, 4098720, 4781840, 5738208, 7172760, 9563680, 14345520, 28691040]

約数ペア:

[(1, 28691040), (2, 14345520), (3, 9563680), (4, 7172760), (5, 5738208), (6, 4781840), (7, 4098720), (8, 3586380), (10, 2869104), (12, 2390920), (14, 2049360), (15, 1912736), (16, 1793190), (20, 1434552), (21, 1366240), (24, 1195460), (28, 1024680), (30, 956368), (32, 896595), (35, 819744), (40, 717276), (42, 683120), (48, 597730), (56, 512340), (60, 478184), (70, 409872), (80, 358638), (84, 341560), (96, 298865), (105, 273248), (112, 256170), (120, 239092), (140, 204936), (160, 179319), (168, 170780), (210, 136624), (224, 128085), (240, 119546), (280, 102468), (336, 85390), (420, 68312), (480, 59773), (560, 51234), (672, 42695), (840, 34156), (1120, 25617), (1680, 17078), (3360, 8539)]