145806640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 412545024

約数和(自身を除く): 266738384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 185, 217, 227, 248, 259, 280, 296, 310, 370, 434, 454, 496, 518, 560, 592, 620, 740, 868, 908, 1036, 1085, 1135, 1147, 1240, 1295, 1480, 1589, 1736, 1816, 2072, 2170, 2270, 2294, 2480, 2590, 2960, 3178, 3472, 3632, 4144, 4340, 4540, 4588, 5180, 5735, 6356, 7037, 7945, 8029, 8399, 8680, 9080, 9176, 10360, 11470, 12712, 14074, 15890, 16058, 16798, 17360, 18160, 18352, 20720, 22940, 25424, 28148, 31780, 32116, 33596, 35185, 40145, 41995, 45880, 49259, 56296, 58793, 63560, 64232, 67192, 70370, 80290, 83990, 91760, 98518, 112592, 117586, 127120, 128464, 134384, 140740, 160580, 167980, 197036, 235172, 246295, 260369, 281480, 293965, 321160, 335960, 394072, 470344, 492590, 520738, 562960, 587930, 642320, 671920, 788144, 940688, 985180, 1041476, 1175860, 1301845, 1822583, 1970360, 2082952, 2351720, 2603690, 3645166, 3940720, 4165904, 4703440, 5207380, 7290332, 9112915, 10414760, 14580664, 18225830, 20829520, 29161328, 36451660, 72903320, 145806640]

約数ペア:

[(1, 145806640), (2, 72903320), (4, 36451660), (5, 29161328), (7, 20829520), (8, 18225830), (10, 14580664), (14, 10414760), (16, 9112915), (20, 7290332), (28, 5207380), (31, 4703440), (35, 4165904), (37, 3940720), (40, 3645166), (56, 2603690), (62, 2351720), (70, 2082952), (74, 1970360), (80, 1822583), (112, 1301845), (124, 1175860), (140, 1041476), (148, 985180), (155, 940688), (185, 788144), (217, 671920), (227, 642320), (248, 587930), (259, 562960), (280, 520738), (296, 492590), (310, 470344), (370, 394072), (434, 335960), (454, 321160), (496, 293965), (518, 281480), (560, 260369), (592, 246295), (620, 235172), (740, 197036), (868, 167980), (908, 160580), (1036, 140740), (1085, 134384), (1135, 128464), (1147, 127120), (1240, 117586), (1295, 112592), (1480, 98518), (1589, 91760), (1736, 83990), (1816, 80290), (2072, 70370), (2170, 67192), (2270, 64232), (2294, 63560), (2480, 58793), (2590, 56296), (2960, 49259), (3178, 45880), (3472, 41995), (3632, 40145), (4144, 35185), (4340, 33596), (4540, 32116), (4588, 31780), (5180, 28148), (5735, 25424), (6356, 22940), (7037, 20720), (7945, 18352), (8029, 18160), (8399, 17360), (8680, 16798), (9080, 16058), (9176, 15890), (10360, 14074), (11470, 12712)]