16291660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 27253940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 149, 154, 220, 284, 298, 308, 355, 385, 497, 596, 710, 745, 770, 781, 994, 1043, 1420, 1490, 1540, 1562, 1639, 1988, 2086, 2485, 2980, 3124, 3278, 3905, 4172, 4970, 5215, 5467, 6556, 7810, 8195, 9940, 10430, 10579, 10934, 11473, 15620, 16390, 20860, 21158, 21868, 22946, 27335, 32780, 42316, 45892, 52895, 54670, 57365, 74053, 105790, 109340, 114730, 116369, 148106, 211580, 229460, 232738, 296212, 370265, 465476, 581845, 740530, 814583, 1163690, 1481060, 1629166, 2327380, 3258332, 4072915, 8145830, 16291660]

約数ペア:

[(1, 16291660), (2, 8145830), (4, 4072915), (5, 3258332), (7, 2327380), (10, 1629166), (11, 1481060), (14, 1163690), (20, 814583), (22, 740530), (28, 581845), (35, 465476), (44, 370265), (55, 296212), (70, 232738), (71, 229460), (77, 211580), (110, 148106), (140, 116369), (142, 114730), (149, 109340), (154, 105790), (220, 74053), (284, 57365), (298, 54670), (308, 52895), (355, 45892), (385, 42316), (497, 32780), (596, 27335), (710, 22946), (745, 21868), (770, 21158), (781, 20860), (994, 16390), (1043, 15620), (1420, 11473), (1490, 10934), (1540, 10579), (1562, 10430), (1639, 9940), (1988, 8195), (2086, 7810), (2485, 6556), (2980, 5467), (3124, 5215), (3278, 4970), (3905, 4172)]