638804016

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:608

約数の個数: 160

約数和(自身を含む): 1944320000

約数和(自身を除く): 1305515984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 223, 228, 304, 342, 349, 432, 446, 456, 513, 669, 684, 698, 892, 912, 1026, 1047, 1338, 1368, 1396, 1784, 2007, 2052, 2094, 2676, 2736, 2792, 3141, 3568, 4014, 4104, 4188, 4237, 5352, 5584, 6021, 6282, 6631, 8028, 8208, 8376, 8474, 9423, 10704, 12042, 12564, 12711, 13262, 16056, 16752, 16948, 18846, 19893, 24084, 25128, 25422, 26524, 32112, 33896, 37692, 38133, 39786, 48168, 50256, 50844, 53048, 59679, 67792, 75384, 76266, 77827, 79572, 96336, 101688, 106096, 114399, 119358, 150768, 152532, 155654, 159144, 179037, 203376, 228798, 233481, 238716, 305064, 311308, 318288, 358074, 457596, 466962, 477432, 610128, 622616, 700443, 716148, 915192, 933924, 954864, 1245232, 1400886, 1432296, 1478713, 1830384, 1867848, 2101329, 2801772, 2864592, 2957426, 3735696, 4202658, 4436139, 5603544, 5914852, 8405316, 8872278, 11207088, 11829704, 13308417, 16810632, 17744556, 23659408, 26616834, 33621264, 35489112, 39925251, 53233668, 70978224, 79850502, 106467336, 159701004, 212934672, 319402008, 638804016]

約数ペア:

[(1, 638804016), (2, 319402008), (3, 212934672), (4, 159701004), (6, 106467336), (8, 79850502), (9, 70978224), (12, 53233668), (16, 39925251), (18, 35489112), (19, 33621264), (24, 26616834), (27, 23659408), (36, 17744556), (38, 16810632), (48, 13308417), (54, 11829704), (57, 11207088), (72, 8872278), (76, 8405316), (108, 5914852), (114, 5603544), (144, 4436139), (152, 4202658), (171, 3735696), (216, 2957426), (223, 2864592), (228, 2801772), (304, 2101329), (342, 1867848), (349, 1830384), (432, 1478713), (446, 1432296), (456, 1400886), (513, 1245232), (669, 954864), (684, 933924), (698, 915192), (892, 716148), (912, 700443), (1026, 622616), (1047, 610128), (1338, 477432), (1368, 466962), (1396, 457596), (1784, 358074), (2007, 318288), (2052, 311308), (2094, 305064), (2676, 238716), (2736, 233481), (2792, 228798), (3141, 203376), (3568, 179037), (4014, 159144), (4104, 155654), (4188, 152532), (4237, 150768), (5352, 119358), (5584, 114399), (6021, 106096), (6282, 101688), (6631, 96336), (8028, 79572), (8208, 77827), (8376, 76266), (8474, 75384), (9423, 67792), (10704, 59679), (12042, 53048), (12564, 50844), (12711, 50256), (13262, 48168), (16056, 39786), (16752, 38133), (16948, 37692), (18846, 33896), (19893, 32112), (24084, 26524), (25128, 25422)]