87640020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 298954656

約数和(自身を除く): 211314636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 67, 78, 86, 90, 117, 129, 130, 134, 156, 169, 172, 180, 195, 201, 215, 234, 258, 260, 268, 335, 338, 387, 390, 402, 430, 468, 507, 516, 559, 585, 603, 645, 670, 676, 774, 780, 804, 845, 860, 871, 1005, 1014, 1118, 1170, 1206, 1290, 1340, 1521, 1548, 1677, 1690, 1742, 1935, 2010, 2028, 2236, 2340, 2412, 2535, 2580, 2613, 2795, 2881, 3015, 3042, 3354, 3380, 3484, 3870, 4020, 4355, 5031, 5070, 5226, 5590, 5762, 6030, 6084, 6708, 7267, 7605, 7740, 7839, 8385, 8643, 8710, 10062, 10140, 10452, 11180, 11323, 11524, 12060, 13065, 14405, 14534, 15210, 15678, 16770, 17286, 17420, 20124, 21801, 22646, 25155, 25929, 26130, 28810, 29068, 30420, 31356, 33540, 33969, 34572, 36335, 37453, 39195, 43215, 43602, 45292, 50310, 51858, 52260, 56615, 57620, 65403, 67938, 72670, 74906, 78390, 86430, 87204, 100620, 101907, 103716, 109005, 112359, 113230, 129645, 130806, 135876, 145340, 149812, 156780, 169845, 172860, 187265, 203814, 218010, 224718, 226460, 259290, 261612, 327015, 337077, 339690, 374530, 407628, 436020, 449436, 486889, 509535, 518580, 561795, 654030, 674154, 679380, 749060, 973778, 1019070, 1123590, 1308060, 1348308, 1460667, 1685385, 1947556, 2038140, 2247180, 2434445, 2921334, 3370770, 4382001, 4868890, 5842668, 6741540, 7303335, 8764002, 9737780, 14606670, 17528004, 21910005, 29213340, 43820010, 87640020]

約数ペア:

[(1, 87640020), (2, 43820010), (3, 29213340), (4, 21910005), (5, 17528004), (6, 14606670), (9, 9737780), (10, 8764002), (12, 7303335), (13, 6741540), (15, 5842668), (18, 4868890), (20, 4382001), (26, 3370770), (30, 2921334), (36, 2434445), (39, 2247180), (43, 2038140), (45, 1947556), (52, 1685385), (60, 1460667), (65, 1348308), (67, 1308060), (78, 1123590), (86, 1019070), (90, 973778), (117, 749060), (129, 679380), (130, 674154), (134, 654030), (156, 561795), (169, 518580), (172, 509535), (180, 486889), (195, 449436), (201, 436020), (215, 407628), (234, 374530), (258, 339690), (260, 337077), (268, 327015), (335, 261612), (338, 259290), (387, 226460), (390, 224718), (402, 218010), (430, 203814), (468, 187265), (507, 172860), (516, 169845), (559, 156780), (585, 149812), (603, 145340), (645, 135876), (670, 130806), (676, 129645), (774, 113230), (780, 112359), (804, 109005), (845, 103716), (860, 101907), (871, 100620), (1005, 87204), (1014, 86430), (1118, 78390), (1170, 74906), (1206, 72670), (1290, 67938), (1340, 65403), (1521, 57620), (1548, 56615), (1677, 52260), (1690, 51858), (1742, 50310), (1935, 45292), (2010, 43602), (2028, 43215), (2236, 39195), (2340, 37453), (2412, 36335), (2535, 34572), (2580, 33969), (2613, 33540), (2795, 31356), (2881, 30420), (3015, 29068), (3042, 28810), (3354, 26130), (3380, 25929), (3484, 25155), (3870, 22646), (4020, 21801), (4355, 20124), (5031, 17420), (5070, 17286), (5226, 16770), (5590, 15678), (5762, 15210), (6030, 14534), (6084, 14405), (6708, 13065), (7267, 12060), (7605, 11524), (7740, 11323), (7839, 11180), (8385, 10452), (8643, 10140), (8710, 10062)]