81730740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14969}}^1$

素因数の和:15001

約数の個数: 96

約数和(自身を含む): 281675520

約数和(自身を除く): 199944780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 14969, 29938, 44907, 59876, 74845, 89814, 104783, 149690, 179628, 194597, 209566, 224535, 299380, 314349, 389194, 419132, 449070, 523915, 583791, 628698, 778388, 898140, 972985, 1047830, 1167582, 1257396, 1362179, 1571745, 1945970, 2095660, 2335164, 2724358, 2918955, 3143490, 3891940, 4086537, 5448716, 5837910, 6286980, 6810895, 8173074, 11675820, 13621790, 16346148, 20432685, 27243580, 40865370, 81730740]

約数ペア:

[(1, 81730740), (2, 40865370), (3, 27243580), (4, 20432685), (5, 16346148), (6, 13621790), (7, 11675820), (10, 8173074), (12, 6810895), (13, 6286980), (14, 5837910), (15, 5448716), (20, 4086537), (21, 3891940), (26, 3143490), (28, 2918955), (30, 2724358), (35, 2335164), (39, 2095660), (42, 1945970), (52, 1571745), (60, 1362179), (65, 1257396), (70, 1167582), (78, 1047830), (84, 972985), (91, 898140), (105, 778388), (130, 628698), (140, 583791), (156, 523915), (182, 449070), (195, 419132), (210, 389194), (260, 314349), (273, 299380), (364, 224535), (390, 209566), (420, 194597), (455, 179628), (546, 149690), (780, 104783), (910, 89814), (1092, 74845), (1365, 59876), (1820, 44907), (2730, 29938), (5460, 14969)]