61581520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 160

約数和(自身を含む): 192487680

約数和(自身を除く): 130906160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 769, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1538, 1540, 1820, 2002, 2288, 2860, 3076, 3080, 3640, 3845, 4004, 5005, 5383, 5720, 6152, 6160, 7280, 7690, 8008, 8459, 9997, 10010, 10766, 11440, 12304, 15380, 16016, 16918, 19994, 20020, 21532, 26915, 30760, 33836, 39988, 40040, 42295, 43064, 49985, 53830, 59213, 61520, 67672, 69979, 79976, 80080, 84590, 86128, 99970, 107660, 109967, 118426, 135344, 139958, 159952, 169180, 199940, 215320, 219934, 236852, 279916, 296065, 338360, 349895, 399880, 430640, 439868, 473704, 549835, 559832, 592130, 676720, 699790, 769769, 799760, 879736, 947408, 1099670, 1119664, 1184260, 1399580, 1539538, 1759472, 2199340, 2368520, 2799160, 3079076, 3848845, 4398680, 4737040, 5598320, 6158152, 7697690, 8797360, 12316304, 15395380, 30790760, 61581520]

約数ペア:

[(1, 61581520), (2, 30790760), (4, 15395380), (5, 12316304), (7, 8797360), (8, 7697690), (10, 6158152), (11, 5598320), (13, 4737040), (14, 4398680), (16, 3848845), (20, 3079076), (22, 2799160), (26, 2368520), (28, 2199340), (35, 1759472), (40, 1539538), (44, 1399580), (52, 1184260), (55, 1119664), (56, 1099670), (65, 947408), (70, 879736), (77, 799760), (80, 769769), (88, 699790), (91, 676720), (104, 592130), (110, 559832), (112, 549835), (130, 473704), (140, 439868), (143, 430640), (154, 399880), (176, 349895), (182, 338360), (208, 296065), (220, 279916), (260, 236852), (280, 219934), (286, 215320), (308, 199940), (364, 169180), (385, 159952), (440, 139958), (455, 135344), (520, 118426), (560, 109967), (572, 107660), (616, 99970), (715, 86128), (728, 84590), (769, 80080), (770, 79976), (880, 69979), (910, 67672), (1001, 61520), (1040, 59213), (1144, 53830), (1232, 49985), (1430, 43064), (1456, 42295), (1538, 40040), (1540, 39988), (1820, 33836), (2002, 30760), (2288, 26915), (2860, 21532), (3076, 20020), (3080, 19994), (3640, 16918), (3845, 16016), (4004, 15380), (5005, 12304), (5383, 11440), (5720, 10766), (6152, 10010), (6160, 9997), (7280, 8459), (7690, 8008)]