15420800

素因数分解:

$2^7\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 39208800

約数和(自身を除く): 23788000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 79, 80, 100, 122, 128, 158, 160, 200, 244, 305, 316, 320, 395, 400, 488, 610, 632, 640, 790, 800, 976, 1220, 1264, 1525, 1580, 1600, 1952, 1975, 2440, 2528, 3050, 3160, 3200, 3904, 3950, 4819, 4880, 5056, 6100, 6320, 7808, 7900, 9638, 9760, 10112, 12200, 12640, 15800, 19276, 19520, 24095, 24400, 25280, 31600, 38552, 39040, 48190, 48800, 50560, 63200, 77104, 96380, 97600, 120475, 126400, 154208, 192760, 195200, 240950, 252800, 308416, 385520, 481900, 616832, 771040, 963800, 1542080, 1927600, 3084160, 3855200, 7710400, 15420800]

約数ペア:

[(1, 15420800), (2, 7710400), (4, 3855200), (5, 3084160), (8, 1927600), (10, 1542080), (16, 963800), (20, 771040), (25, 616832), (32, 481900), (40, 385520), (50, 308416), (61, 252800), (64, 240950), (79, 195200), (80, 192760), (100, 154208), (122, 126400), (128, 120475), (158, 97600), (160, 96380), (200, 77104), (244, 63200), (305, 50560), (316, 48800), (320, 48190), (395, 39040), (400, 38552), (488, 31600), (610, 25280), (632, 24400), (640, 24095), (790, 19520), (800, 19276), (976, 15800), (1220, 12640), (1264, 12200), (1525, 10112), (1580, 9760), (1600, 9638), (1952, 7900), (1975, 7808), (2440, 6320), (2528, 6100), (3050, 5056), (3160, 4880), (3200, 4819), (3904, 3950)]