1225318640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4549}}^1$

素因数の和:4619

約数の個数: 160

約数和(自身を含む): 3601852800

約数和(自身を除く): 2376534160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 182, 185, 208, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 560, 592, 728, 740, 910, 962, 1036, 1040, 1295, 1456, 1480, 1820, 1924, 2072, 2405, 2590, 2960, 3367, 3640, 3848, 4144, 4549, 4810, 5180, 6734, 7280, 7696, 9098, 9620, 10360, 13468, 16835, 18196, 19240, 20720, 22745, 26936, 31843, 33670, 36392, 38480, 45490, 53872, 59137, 63686, 67340, 72784, 90980, 118274, 127372, 134680, 159215, 168313, 181960, 236548, 254744, 269360, 295685, 318430, 336626, 363920, 413959, 473096, 509488, 591370, 636860, 673252, 827918, 841565, 946192, 1178191, 1182740, 1273720, 1346504, 1655836, 1683130, 2069795, 2188069, 2356382, 2365480, 2547440, 2693008, 3311672, 3366260, 4139590, 4376138, 4712764, 4730960, 5890955, 6623344, 6732520, 8279180, 8752276, 9425528, 10940345, 11781910, 13465040, 15316483, 16558360, 17504552, 18851056, 21880690, 23563820, 30632966, 33116720, 35009104, 43761380, 47127640, 61265932, 76582415, 87522760, 94255280, 122531864, 153164830, 175045520, 245063728, 306329660, 612659320, 1225318640]

約数ペア:

[(1, 1225318640), (2, 612659320), (4, 306329660), (5, 245063728), (7, 175045520), (8, 153164830), (10, 122531864), (13, 94255280), (14, 87522760), (16, 76582415), (20, 61265932), (26, 47127640), (28, 43761380), (35, 35009104), (37, 33116720), (40, 30632966), (52, 23563820), (56, 21880690), (65, 18851056), (70, 17504552), (74, 16558360), (80, 15316483), (91, 13465040), (104, 11781910), (112, 10940345), (130, 9425528), (140, 8752276), (148, 8279180), (182, 6732520), (185, 6623344), (208, 5890955), (259, 4730960), (260, 4712764), (280, 4376138), (296, 4139590), (364, 3366260), (370, 3311672), (455, 2693008), (481, 2547440), (518, 2365480), (520, 2356382), (560, 2188069), (592, 2069795), (728, 1683130), (740, 1655836), (910, 1346504), (962, 1273720), (1036, 1182740), (1040, 1178191), (1295, 946192), (1456, 841565), (1480, 827918), (1820, 673252), (1924, 636860), (2072, 591370), (2405, 509488), (2590, 473096), (2960, 413959), (3367, 363920), (3640, 336626), (3848, 318430), (4144, 295685), (4549, 269360), (4810, 254744), (5180, 236548), (6734, 181960), (7280, 168313), (7696, 159215), (9098, 134680), (9620, 127372), (10360, 118274), (13468, 90980), (16835, 72784), (18196, 67340), (19240, 63686), (20720, 59137), (22745, 53872), (26936, 45490), (31843, 38480), (33670, 36392)]