65940420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{929}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 228735360

約数和(自身を除く): 162794940

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, 929, 1014, 1092, 1183, 1365, 1690, 1820, 1858, 2028, 2366, 2535, 2730, 2787, 3380, 3549, 3716, 4645, 4732, 5070, 5460, 5574, 5915, 6503, 7098, 9290, 10140, 11148, 11830, 12077, 13006, 13935, 14196, 17745, 18580, 19509, 23660, 24154, 26012, 27870, 32515, 35490, 36231, 39018, 48308, 55740, 60385, 65030, 70980, 72462, 78036, 84539, 97545, 120770, 130060, 144924, 157001, 169078, 181155, 195090, 241540, 253617, 314002, 338156, 362310, 390180, 422695, 471003, 507234, 628004, 724620, 785005, 845390, 942006, 1014468, 1099007, 1268085, 1570010, 1690780, 1884012, 2198014, 2355015, 2536170, 3140020, 3297021, 4396028, 4710030, 5072340, 5495035, 6594042, 9420060, 10990070, 13188084, 16485105, 21980140, 32970210, 65940420]

約数ペア:

[(1, 65940420), (2, 32970210), (3, 21980140), (4, 16485105), (5, 13188084), (6, 10990070), (7, 9420060), (10, 6594042), (12, 5495035), (13, 5072340), (14, 4710030), (15, 4396028), (20, 3297021), (21, 3140020), (26, 2536170), (28, 2355015), (30, 2198014), (35, 1884012), (39, 1690780), (42, 1570010), (52, 1268085), (60, 1099007), (65, 1014468), (70, 942006), (78, 845390), (84, 785005), (91, 724620), (105, 628004), (130, 507234), (140, 471003), (156, 422695), (169, 390180), (182, 362310), (195, 338156), (210, 314002), (260, 253617), (273, 241540), (338, 195090), (364, 181155), (390, 169078), (420, 157001), (455, 144924), (507, 130060), (546, 120770), (676, 97545), (780, 84539), (845, 78036), (910, 72462), (929, 70980), (1014, 65030), (1092, 60385), (1183, 55740), (1365, 48308), (1690, 39018), (1820, 36231), (1858, 35490), (2028, 32515), (2366, 27870), (2535, 26012), (2730, 24154), (2787, 23660), (3380, 19509), (3549, 18580), (3716, 17745), (4645, 14196), (4732, 13935), (5070, 13006), (5460, 12077), (5574, 11830), (5915, 11148), (6503, 10140), (7098, 9290)]