19904737440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311791}}^1$

素因数の和:311835

約数の個数: 192

約数和(自身を含む): 75428720640

約数和(自身を除く): 55523983200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3990, 4256, 4560, 5320, 6384, 7980, 9120, 10640, 12768, 15960, 21280, 31920, 63840, 311791, 623582, 935373, 1247164, 1558955, 1870746, 2182537, 2494328, 3117910, 3741492, 4365074, 4676865, 4988656, 5924029, 6235820, 6547611, 7482984, 8730148, 9353730, 9977312, 10912685, 11848058, 12471640, 13095222, 14965968, 17460296, 17772087, 18707460, 21825370, 23696116, 24943280, 26190444, 29620145, 29931936, 32738055, 34920592, 35544174, 37414920, 41468203, 43650740, 47392232, 49886560, 52380888, 59240290, 65476110, 69841184, 71088348, 74829840, 82936406, 87301480, 88860435, 94784464, 104761776, 118480580, 124404609, 130952220, 142176696, 149659680, 165872812, 174602960, 177720870, 189568928, 207341015, 209523552, 236961160, 248809218, 261904440, 284353392, 331745624, 349205920, 355441740, 414682030, 473922320, 497618436, 523808880, 568706784, 622023045, 663491248, 710883480, 829364060, 947844640, 995236872, 1047617760, 1244046090, 1326982496, 1421766960, 1658728120, 1990473744, 2488092180, 2843533920, 3317456240, 3980947488, 4976184360, 6634912480, 9952368720, 19904737440]

約数ペア:

[(1, 19904737440), (2, 9952368720), (3, 6634912480), (4, 4976184360), (5, 3980947488), (6, 3317456240), (7, 2843533920), (8, 2488092180), (10, 1990473744), (12, 1658728120), (14, 1421766960), (15, 1326982496), (16, 1244046090), (19, 1047617760), (20, 995236872), (21, 947844640), (24, 829364060), (28, 710883480), (30, 663491248), (32, 622023045), (35, 568706784), (38, 523808880), (40, 497618436), (42, 473922320), (48, 414682030), (56, 355441740), (57, 349205920), (60, 331745624), (70, 284353392), (76, 261904440), (80, 248809218), (84, 236961160), (95, 209523552), (96, 207341015), (105, 189568928), (112, 177720870), (114, 174602960), (120, 165872812), (133, 149659680), (140, 142176696), (152, 130952220), (160, 124404609), (168, 118480580), (190, 104761776), (210, 94784464), (224, 88860435), (228, 87301480), (240, 82936406), (266, 74829840), (280, 71088348), (285, 69841184), (304, 65476110), (336, 59240290), (380, 52380888), (399, 49886560), (420, 47392232), (456, 43650740), (480, 41468203), (532, 37414920), (560, 35544174), (570, 34920592), (608, 32738055), (665, 29931936), (672, 29620145), (760, 26190444), (798, 24943280), (840, 23696116), (912, 21825370), (1064, 18707460), (1120, 17772087), (1140, 17460296), (1330, 14965968), (1520, 13095222), (1596, 12471640), (1680, 11848058), (1824, 10912685), (1995, 9977312), (2128, 9353730), (2280, 8730148), (2660, 7482984), (3040, 6547611), (3192, 6235820), (3360, 5924029), (3990, 4988656), (4256, 4676865), (4560, 4365074), (5320, 3741492), (6384, 3117910), (7980, 2494328), (9120, 2182537), (10640, 1870746), (12768, 1558955), (15960, 1247164), (21280, 935373), (31920, 623582), (63840, 311791)]