1728351680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:443

約数の個数: 224

約数和(自身を含む): 4747272192

約数和(自身を除く): 3018920512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 47, 55, 62, 64, 80, 88, 94, 110, 124, 155, 160, 176, 188, 220, 235, 248, 310, 320, 337, 341, 352, 376, 440, 470, 496, 517, 620, 674, 682, 704, 752, 880, 940, 992, 1034, 1240, 1348, 1364, 1457, 1504, 1685, 1705, 1760, 1880, 1984, 2068, 2480, 2585, 2696, 2728, 2914, 3008, 3370, 3410, 3520, 3707, 3760, 4136, 4960, 5170, 5392, 5456, 5828, 6740, 6820, 7285, 7414, 7520, 8272, 9920, 10340, 10447, 10784, 10912, 11656, 13480, 13640, 14570, 14828, 15040, 15839, 16027, 16544, 18535, 20680, 20894, 21568, 21824, 23312, 26960, 27280, 29140, 29656, 31678, 32054, 33088, 37070, 41360, 41788, 46624, 52235, 53920, 54560, 58280, 59312, 63356, 64108, 74140, 79195, 80135, 82720, 83576, 93248, 104470, 107840, 109120, 114917, 116560, 118624, 126712, 128216, 148280, 158390, 160270, 165440, 167152, 174229, 208940, 229834, 233120, 237248, 253424, 256432, 296560, 316780, 320540, 334304, 348458, 417880, 459668, 466240, 491009, 506848, 512864, 574585, 593120, 633560, 641080, 668608, 696916, 835760, 871145, 919336, 982018, 1013696, 1025728, 1149170, 1186240, 1267120, 1282160, 1393832, 1671520, 1742290, 1838672, 1964036, 2298340, 2455045, 2534240, 2564320, 2787664, 3343040, 3484580, 3677344, 3928072, 4596680, 4910090, 5068480, 5128640, 5401099, 5575328, 6969160, 7354688, 7856144, 9193360, 9820180, 10802198, 11150656, 13938320, 15712288, 18386720, 19640360, 21604396, 27005495, 27876640, 31424576, 36773440, 39280720, 43208792, 54010990, 55753280, 78561440, 86417584, 108021980, 157122880, 172835168, 216043960, 345670336, 432087920, 864175840, 1728351680]

約数ペア:

[(1, 1728351680), (2, 864175840), (4, 432087920), (5, 345670336), (8, 216043960), (10, 172835168), (11, 157122880), (16, 108021980), (20, 86417584), (22, 78561440), (31, 55753280), (32, 54010990), (40, 43208792), (44, 39280720), (47, 36773440), (55, 31424576), (62, 27876640), (64, 27005495), (80, 21604396), (88, 19640360), (94, 18386720), (110, 15712288), (124, 13938320), (155, 11150656), (160, 10802198), (176, 9820180), (188, 9193360), (220, 7856144), (235, 7354688), (248, 6969160), (310, 5575328), (320, 5401099), (337, 5128640), (341, 5068480), (352, 4910090), (376, 4596680), (440, 3928072), (470, 3677344), (496, 3484580), (517, 3343040), (620, 2787664), (674, 2564320), (682, 2534240), (704, 2455045), (752, 2298340), (880, 1964036), (940, 1838672), (992, 1742290), (1034, 1671520), (1240, 1393832), (1348, 1282160), (1364, 1267120), (1457, 1186240), (1504, 1149170), (1685, 1025728), (1705, 1013696), (1760, 982018), (1880, 919336), (1984, 871145), (2068, 835760), (2480, 696916), (2585, 668608), (2696, 641080), (2728, 633560), (2914, 593120), (3008, 574585), (3370, 512864), (3410, 506848), (3520, 491009), (3707, 466240), (3760, 459668), (4136, 417880), (4960, 348458), (5170, 334304), (5392, 320540), (5456, 316780), (5828, 296560), (6740, 256432), (6820, 253424), (7285, 237248), (7414, 233120), (7520, 229834), (8272, 208940), (9920, 174229), (10340, 167152), (10447, 165440), (10784, 160270), (10912, 158390), (11656, 148280), (13480, 128216), (13640, 126712), (14570, 118624), (14828, 116560), (15040, 114917), (15839, 109120), (16027, 107840), (16544, 104470), (18535, 93248), (20680, 83576), (20894, 82720), (21568, 80135), (21824, 79195), (23312, 74140), (26960, 64108), (27280, 63356), (29140, 59312), (29656, 58280), (31678, 54560), (32054, 53920), (33088, 52235), (37070, 46624), (41360, 41788)]