220778280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 192

約数和(自身を含む): 753592320

約数和(自身を除く): 532814040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 73, 90, 93, 120, 124, 146, 155, 180, 186, 219, 248, 271, 279, 292, 310, 360, 365, 372, 438, 465, 542, 558, 584, 620, 657, 730, 744, 813, 876, 930, 1084, 1095, 1116, 1240, 1314, 1355, 1395, 1460, 1626, 1752, 1860, 2168, 2190, 2232, 2263, 2439, 2628, 2710, 2790, 2920, 3252, 3285, 3720, 4065, 4380, 4526, 4878, 5256, 5420, 5580, 6504, 6570, 6789, 8130, 8401, 8760, 9052, 9756, 10840, 11160, 11315, 12195, 13140, 13578, 16260, 16802, 18104, 19512, 19783, 20367, 22630, 24390, 25203, 26280, 27156, 32520, 33604, 33945, 39566, 40734, 42005, 45260, 48780, 50406, 54312, 59349, 67208, 67890, 75609, 79132, 81468, 84010, 90520, 97560, 98915, 100812, 101835, 118698, 126015, 135780, 151218, 158264, 162936, 168020, 178047, 197830, 201624, 203670, 237396, 252030, 271560, 296745, 302436, 336040, 356094, 378045, 395660, 407340, 474792, 504060, 593490, 604872, 613273, 712188, 756090, 791320, 814680, 890235, 1008120, 1186980, 1226546, 1424376, 1512180, 1780470, 1839819, 2373960, 2453092, 3024360, 3066365, 3560940, 3679638, 4906184, 5519457, 6132730, 7121880, 7359276, 9199095, 11038914, 12265460, 14718552, 18398190, 22077828, 24530920, 27597285, 36796380, 44155656, 55194570, 73592760, 110389140, 220778280]

約数ペア:

[(1, 220778280), (2, 110389140), (3, 73592760), (4, 55194570), (5, 44155656), (6, 36796380), (8, 27597285), (9, 24530920), (10, 22077828), (12, 18398190), (15, 14718552), (18, 12265460), (20, 11038914), (24, 9199095), (30, 7359276), (31, 7121880), (36, 6132730), (40, 5519457), (45, 4906184), (60, 3679638), (62, 3560940), (72, 3066365), (73, 3024360), (90, 2453092), (93, 2373960), (120, 1839819), (124, 1780470), (146, 1512180), (155, 1424376), (180, 1226546), (186, 1186980), (219, 1008120), (248, 890235), (271, 814680), (279, 791320), (292, 756090), (310, 712188), (360, 613273), (365, 604872), (372, 593490), (438, 504060), (465, 474792), (542, 407340), (558, 395660), (584, 378045), (620, 356094), (657, 336040), (730, 302436), (744, 296745), (813, 271560), (876, 252030), (930, 237396), (1084, 203670), (1095, 201624), (1116, 197830), (1240, 178047), (1314, 168020), (1355, 162936), (1395, 158264), (1460, 151218), (1626, 135780), (1752, 126015), (1860, 118698), (2168, 101835), (2190, 100812), (2232, 98915), (2263, 97560), (2439, 90520), (2628, 84010), (2710, 81468), (2790, 79132), (2920, 75609), (3252, 67890), (3285, 67208), (3720, 59349), (4065, 54312), (4380, 50406), (4526, 48780), (4878, 45260), (5256, 42005), (5420, 40734), (5580, 39566), (6504, 33945), (6570, 33604), (6789, 32520), (8130, 27156), (8401, 26280), (8760, 25203), (9052, 24390), (9756, 22630), (10840, 20367), (11160, 19783), (11315, 19512), (12195, 18104), (13140, 16802), (13578, 16260)]