64662780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{911}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 224308224

約数和(自身を除く): 159645444

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, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 911, 1014, 1092, 1183, 1365, 1690, 1820, 1822, 2028, 2366, 2535, 2730, 2733, 3380, 3549, 3644, 4555, 4732, 5070, 5460, 5466, 5915, 6377, 7098, 9110, 10140, 10932, 11830, 11843, 12754, 13665, 14196, 17745, 18220, 19131, 23660, 23686, 25508, 27330, 31885, 35490, 35529, 38262, 47372, 54660, 59215, 63770, 70980, 71058, 76524, 82901, 95655, 118430, 127540, 142116, 153959, 165802, 177645, 191310, 236860, 248703, 307918, 331604, 355290, 382620, 414505, 461877, 497406, 615836, 710580, 769795, 829010, 923754, 994812, 1077713, 1243515, 1539590, 1658020, 1847508, 2155426, 2309385, 2487030, 3079180, 3233139, 4310852, 4618770, 4974060, 5388565, 6466278, 9237540, 10777130, 12932556, 16165695, 21554260, 32331390, 64662780]

約数ペア:

[(1, 64662780), (2, 32331390), (3, 21554260), (4, 16165695), (5, 12932556), (6, 10777130), (7, 9237540), (10, 6466278), (12, 5388565), (13, 4974060), (14, 4618770), (15, 4310852), (20, 3233139), (21, 3079180), (26, 2487030), (28, 2309385), (30, 2155426), (35, 1847508), (39, 1658020), (42, 1539590), (52, 1243515), (60, 1077713), (65, 994812), (70, 923754), (78, 829010), (84, 769795), (91, 710580), (105, 615836), (130, 497406), (140, 461877), (156, 414505), (169, 382620), (182, 355290), (195, 331604), (210, 307918), (260, 248703), (273, 236860), (338, 191310), (364, 177645), (390, 165802), (420, 153959), (455, 142116), (507, 127540), (546, 118430), (676, 95655), (780, 82901), (845, 76524), (910, 71058), (911, 70980), (1014, 63770), (1092, 59215), (1183, 54660), (1365, 47372), (1690, 38262), (1820, 35529), (1822, 35490), (2028, 31885), (2366, 27330), (2535, 25508), (2730, 23686), (2733, 23660), (3380, 19131), (3549, 18220), (3644, 17745), (4555, 14196), (4732, 13665), (5070, 12754), (5460, 11843), (5466, 11830), (5915, 10932), (6377, 10140), (7098, 9110)]