1645707420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{68743}}^1$

素因数の和:68784

約数の個数: 144

約数和(自身を含む): 6005475840

約数和(自身を除く): 4359768420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 68743, 137486, 206229, 274972, 343715, 412458, 481201, 618687, 687430, 824916, 962402, 1031145, 1237374, 1306117, 1374860, 1443603, 1924804, 2062290, 2406005, 2474748, 2612234, 2887206, 3093435, 3918351, 4124580, 4330809, 4812010, 5224468, 5774412, 6186870, 6530585, 7218015, 7836702, 8661618, 9142819, 9624020, 11755053, 12373740, 13061170, 14436030, 15673404, 17323236, 18285638, 19591755, 21654045, 23510106, 26122340, 27428457, 28872060, 36571276, 39183510, 43308090, 45714095, 47020212, 54856914, 58775265, 78367020, 82285371, 86616180, 91428190, 109713828, 117550530, 137142285, 164570742, 182856380, 235101060, 274284570, 329141484, 411426855, 548569140, 822853710, 1645707420]

約数ペア:

[(1, 1645707420), (2, 822853710), (3, 548569140), (4, 411426855), (5, 329141484), (6, 274284570), (7, 235101060), (9, 182856380), (10, 164570742), (12, 137142285), (14, 117550530), (15, 109713828), (18, 91428190), (19, 86616180), (20, 82285371), (21, 78367020), (28, 58775265), (30, 54856914), (35, 47020212), (36, 45714095), (38, 43308090), (42, 39183510), (45, 36571276), (57, 28872060), (60, 27428457), (63, 26122340), (70, 23510106), (76, 21654045), (84, 19591755), (90, 18285638), (95, 17323236), (105, 15673404), (114, 14436030), (126, 13061170), (133, 12373740), (140, 11755053), (171, 9624020), (180, 9142819), (190, 8661618), (210, 7836702), (228, 7218015), (252, 6530585), (266, 6186870), (285, 5774412), (315, 5224468), (342, 4812010), (380, 4330809), (399, 4124580), (420, 3918351), (532, 3093435), (570, 2887206), (630, 2612234), (665, 2474748), (684, 2406005), (798, 2062290), (855, 1924804), (1140, 1443603), (1197, 1374860), (1260, 1306117), (1330, 1237374), (1596, 1031145), (1710, 962402), (1995, 824916), (2394, 687430), (2660, 618687), (3420, 481201), (3990, 412458), (4788, 343715), (5985, 274972), (7980, 206229), (11970, 137486), (23940, 68743)]