64520820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 250871040

約数和(自身を除く): 186350220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 101, 105, 108, 117, 126, 130, 135, 140, 156, 169, 180, 182, 189, 195, 202, 210, 234, 252, 260, 270, 273, 303, 315, 338, 351, 364, 378, 390, 404, 420, 455, 468, 505, 507, 540, 546, 585, 606, 630, 676, 702, 707, 756, 780, 819, 845, 909, 910, 945, 1010, 1014, 1092, 1170, 1183, 1212, 1260, 1313, 1365, 1404, 1414, 1515, 1521, 1638, 1690, 1755, 1818, 1820, 1890, 2020, 2028, 2121, 2340, 2366, 2457, 2535, 2626, 2727, 2730, 2828, 3030, 3042, 3276, 3380, 3510, 3535, 3549, 3636, 3780, 3939, 4095, 4242, 4545, 4563, 4732, 4914, 5070, 5252, 5454, 5460, 5915, 6060, 6084, 6363, 6565, 7020, 7070, 7098, 7605, 7878, 8190, 8484, 9090, 9126, 9191, 9828, 10140, 10605, 10647, 10908, 11817, 11830, 12285, 12726, 13130, 13635, 14140, 14196, 15210, 15756, 16380, 17069, 17745, 18180, 18252, 18382, 19089, 19695, 21210, 21294, 22815, 23634, 23660, 24570, 25452, 26260, 27270, 27573, 30420, 31815, 31941, 34138, 35451, 35490, 36764, 38178, 39390, 42420, 42588, 45630, 45955, 47268, 49140, 51207, 53235, 54540, 55146, 59085, 63630, 63882, 68276, 70902, 70980, 76356, 78780, 82719, 85345, 91260, 91910, 95445, 102414, 106470, 110292, 118170, 119483, 127260, 127764, 137865, 141804, 153621, 159705, 165438, 170690, 177255, 183820, 190890, 204828, 212940, 236340, 238966, 248157, 256035, 275730, 307242, 319410, 330876, 341380, 354510, 358449, 381780, 413595, 460863, 477932, 496314, 512070, 551460, 597415, 614484, 638820, 709020, 716898, 768105, 827190, 921726, 992628, 1024140, 1075347, 1194830, 1240785, 1433796, 1536210, 1654380, 1792245, 1843452, 2150694, 2304315, 2389660, 2481570, 3072420, 3226041, 3584490, 4301388, 4608630, 4963140, 5376735, 6452082, 7168980, 9217260, 10753470, 12904164, 16130205, 21506940, 32260410, 64520820]

約数ペア:

[(1, 64520820), (2, 32260410), (3, 21506940), (4, 16130205), (5, 12904164), (6, 10753470), (7, 9217260), (9, 7168980), (10, 6452082), (12, 5376735), (13, 4963140), (14, 4608630), (15, 4301388), (18, 3584490), (20, 3226041), (21, 3072420), (26, 2481570), (27, 2389660), (28, 2304315), (30, 2150694), (35, 1843452), (36, 1792245), (39, 1654380), (42, 1536210), (45, 1433796), (52, 1240785), (54, 1194830), (60, 1075347), (63, 1024140), (65, 992628), (70, 921726), (78, 827190), (84, 768105), (90, 716898), (91, 709020), (101, 638820), (105, 614484), (108, 597415), (117, 551460), (126, 512070), (130, 496314), (135, 477932), (140, 460863), (156, 413595), (169, 381780), (180, 358449), (182, 354510), (189, 341380), (195, 330876), (202, 319410), (210, 307242), (234, 275730), (252, 256035), (260, 248157), (270, 238966), (273, 236340), (303, 212940), (315, 204828), (338, 190890), (351, 183820), (364, 177255), (378, 170690), (390, 165438), (404, 159705), (420, 153621), (455, 141804), (468, 137865), (505, 127764), (507, 127260), (540, 119483), (546, 118170), (585, 110292), (606, 106470), (630, 102414), (676, 95445), (702, 91910), (707, 91260), (756, 85345), (780, 82719), (819, 78780), (845, 76356), (909, 70980), (910, 70902), (945, 68276), (1010, 63882), (1014, 63630), (1092, 59085), (1170, 55146), (1183, 54540), (1212, 53235), (1260, 51207), (1313, 49140), (1365, 47268), (1404, 45955), (1414, 45630), (1515, 42588), (1521, 42420), (1638, 39390), (1690, 38178), (1755, 36764), (1818, 35490), (1820, 35451), (1890, 34138), (2020, 31941), (2028, 31815), (2121, 30420), (2340, 27573), (2366, 27270), (2457, 26260), (2535, 25452), (2626, 24570), (2727, 23660), (2730, 23634), (2828, 22815), (3030, 21294), (3042, 21210), (3276, 19695), (3380, 19089), (3510, 18382), (3535, 18252), (3549, 18180), (3636, 17745), (3780, 17069), (3939, 16380), (4095, 15756), (4242, 15210), (4545, 14196), (4563, 14140), (4732, 13635), (4914, 13130), (5070, 12726), (5252, 12285), (5454, 11830), (5460, 11817), (5915, 10908), (6060, 10647), (6084, 10605), (6363, 10140), (6565, 9828), (7020, 9191), (7070, 9126), (7098, 9090), (7605, 8484), (7878, 8190)]