1273648640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1524

約数の個数: 160

約数和(自身を含む): 3441208320

約数和(自身を除く): 2167559680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1459, 1705, 1760, 1984, 2480, 2560, 2728, 2816, 2918, 3410, 3520, 3968, 4960, 5456, 5632, 5836, 6820, 7040, 7295, 7936, 9920, 10912, 11672, 13640, 14080, 14590, 15872, 16049, 19840, 21824, 23344, 27280, 28160, 29180, 32098, 39680, 43648, 45229, 46688, 54560, 58360, 64196, 79360, 80245, 87296, 90458, 93376, 109120, 116720, 128392, 160490, 174592, 180916, 186752, 218240, 226145, 233440, 256784, 320980, 361832, 373504, 436480, 452290, 466880, 497519, 513568, 641960, 723664, 747008, 872960, 904580, 933760, 995038, 1027136, 1283920, 1447328, 1809160, 1867520, 1990076, 2054272, 2487595, 2567840, 2894656, 3618320, 3735040, 3980152, 4108544, 4975190, 5135680, 5789312, 7236640, 7960304, 8217088, 9950380, 10271360, 11578624, 14473280, 15920608, 19900760, 20542720, 23157248, 28946560, 31841216, 39801520, 41085440, 57893120, 63682432, 79603040, 115786240, 127364864, 159206080, 254729728, 318412160, 636824320, 1273648640]

約数ペア:

[(1, 1273648640), (2, 636824320), (4, 318412160), (5, 254729728), (8, 159206080), (10, 127364864), (11, 115786240), (16, 79603040), (20, 63682432), (22, 57893120), (31, 41085440), (32, 39801520), (40, 31841216), (44, 28946560), (55, 23157248), (62, 20542720), (64, 19900760), (80, 15920608), (88, 14473280), (110, 11578624), (124, 10271360), (128, 9950380), (155, 8217088), (160, 7960304), (176, 7236640), (220, 5789312), (248, 5135680), (256, 4975190), (310, 4108544), (320, 3980152), (341, 3735040), (352, 3618320), (440, 2894656), (496, 2567840), (512, 2487595), (620, 2054272), (640, 1990076), (682, 1867520), (704, 1809160), (880, 1447328), (992, 1283920), (1240, 1027136), (1280, 995038), (1364, 933760), (1408, 904580), (1459, 872960), (1705, 747008), (1760, 723664), (1984, 641960), (2480, 513568), (2560, 497519), (2728, 466880), (2816, 452290), (2918, 436480), (3410, 373504), (3520, 361832), (3968, 320980), (4960, 256784), (5456, 233440), (5632, 226145), (5836, 218240), (6820, 186752), (7040, 180916), (7295, 174592), (7936, 160490), (9920, 128392), (10912, 116720), (11672, 109120), (13640, 93376), (14080, 90458), (14590, 87296), (15872, 80245), (16049, 79360), (19840, 64196), (21824, 58360), (23344, 54560), (27280, 46688), (28160, 45229), (29180, 43648), (32098, 39680)]