15690561520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1\times {\mathrm{5297}}^1$

素因数の和:5978

約数の個数: 80

約数和(自身を含む): 37146693888

約数和(自身を除く): 21456132368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 607, 610, 976, 1214, 1220, 2428, 2440, 3035, 4856, 4880, 5297, 6070, 9712, 10594, 12140, 21188, 24280, 26485, 37027, 42376, 48560, 52970, 74054, 84752, 105940, 148108, 185135, 211880, 296216, 323117, 370270, 423760, 592432, 646234, 740540, 1292468, 1481080, 1615585, 2584936, 2962160, 3215279, 3231170, 5169872, 6430558, 6462340, 12861116, 12924680, 16076395, 25722232, 25849360, 32152790, 51444464, 64305580, 128611160, 196132019, 257222320, 392264038, 784528076, 980660095, 1569056152, 1961320190, 3138112304, 3922640380, 7845280760, 15690561520]

約数ペア:

[(1, 15690561520), (2, 7845280760), (4, 3922640380), (5, 3138112304), (8, 1961320190), (10, 1569056152), (16, 980660095), (20, 784528076), (40, 392264038), (61, 257222320), (80, 196132019), (122, 128611160), (244, 64305580), (305, 51444464), (488, 32152790), (607, 25849360), (610, 25722232), (976, 16076395), (1214, 12924680), (1220, 12861116), (2428, 6462340), (2440, 6430558), (3035, 5169872), (4856, 3231170), (4880, 3215279), (5297, 2962160), (6070, 2584936), (9712, 1615585), (10594, 1481080), (12140, 1292468), (21188, 740540), (24280, 646234), (26485, 592432), (37027, 423760), (42376, 370270), (48560, 323117), (52970, 296216), (74054, 211880), (84752, 185135), (105940, 148108)]