81837210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 128

約数和(自身を含む): 249790464

約数和(自身を除く): 167953254

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 62, 65, 70, 78, 91, 93, 105, 130, 155, 182, 186, 195, 210, 217, 273, 310, 390, 403, 434, 455, 465, 546, 651, 806, 910, 930, 967, 1085, 1209, 1302, 1365, 1934, 2015, 2170, 2418, 2730, 2821, 2901, 3255, 4030, 4835, 5642, 5802, 6045, 6510, 6769, 8463, 9670, 12090, 12571, 13538, 14105, 14505, 16926, 20307, 25142, 28210, 29010, 29977, 33845, 37713, 40614, 42315, 59954, 62855, 67690, 75426, 84630, 87997, 89931, 101535, 125710, 149885, 175994, 179862, 188565, 203070, 209839, 263991, 299770, 377130, 389701, 419678, 439985, 449655, 527982, 629517, 779402, 879970, 899310, 1049195, 1169103, 1259034, 1319955, 1948505, 2098390, 2338206, 2639910, 2727907, 3147585, 3897010, 5455814, 5845515, 6295170, 8183721, 11691030, 13639535, 16367442, 27279070, 40918605, 81837210]

約数ペア:

[(1, 81837210), (2, 40918605), (3, 27279070), (5, 16367442), (6, 13639535), (7, 11691030), (10, 8183721), (13, 6295170), (14, 5845515), (15, 5455814), (21, 3897010), (26, 3147585), (30, 2727907), (31, 2639910), (35, 2338206), (39, 2098390), (42, 1948505), (62, 1319955), (65, 1259034), (70, 1169103), (78, 1049195), (91, 899310), (93, 879970), (105, 779402), (130, 629517), (155, 527982), (182, 449655), (186, 439985), (195, 419678), (210, 389701), (217, 377130), (273, 299770), (310, 263991), (390, 209839), (403, 203070), (434, 188565), (455, 179862), (465, 175994), (546, 149885), (651, 125710), (806, 101535), (910, 89931), (930, 87997), (967, 84630), (1085, 75426), (1209, 67690), (1302, 62855), (1365, 59954), (1934, 42315), (2015, 40614), (2170, 37713), (2418, 33845), (2730, 29977), (2821, 29010), (2901, 28210), (3255, 25142), (4030, 20307), (4835, 16926), (5642, 14505), (5802, 14105), (6045, 13538), (6510, 12571), (6769, 12090), (8463, 9670)]