221565760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 168

約数和(自身を含む): 607426776

約数和(自身を除く): 385861016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 241, 260, 272, 320, 338, 340, 416, 442, 482, 520, 544, 676, 680, 832, 845, 884, 964, 1040, 1088, 1105, 1205, 1352, 1360, 1690, 1768, 1928, 2080, 2210, 2410, 2704, 2720, 2873, 3133, 3380, 3536, 3856, 4097, 4160, 4420, 4820, 5408, 5440, 5746, 6266, 6760, 7072, 7712, 8194, 8840, 9640, 10816, 11492, 12532, 13520, 14144, 14365, 15424, 15665, 16388, 17680, 19280, 20485, 22984, 25064, 27040, 28730, 31330, 32776, 35360, 38560, 40729, 40970, 45968, 50128, 53261, 54080, 57460, 62660, 65552, 70720, 77120, 81458, 81940, 91936, 100256, 106522, 114920, 125320, 131104, 162916, 163880, 183872, 200512, 203645, 213044, 229840, 250640, 262208, 266305, 325832, 327760, 407290, 426088, 459680, 501280, 532610, 651664, 655520, 692393, 814580, 852176, 919360, 1002560, 1065220, 1303328, 1311040, 1384786, 1629160, 1704352, 2130440, 2606656, 2769572, 3258320, 3408704, 3461965, 4260880, 5539144, 6516640, 6923930, 8521760, 11078288, 13033280, 13847860, 17043520, 22156576, 27695720, 44313152, 55391440, 110782880, 221565760]

約数ペア:

[(1, 221565760), (2, 110782880), (4, 55391440), (5, 44313152), (8, 27695720), (10, 22156576), (13, 17043520), (16, 13847860), (17, 13033280), (20, 11078288), (26, 8521760), (32, 6923930), (34, 6516640), (40, 5539144), (52, 4260880), (64, 3461965), (65, 3408704), (68, 3258320), (80, 2769572), (85, 2606656), (104, 2130440), (130, 1704352), (136, 1629160), (160, 1384786), (169, 1311040), (170, 1303328), (208, 1065220), (221, 1002560), (241, 919360), (260, 852176), (272, 814580), (320, 692393), (338, 655520), (340, 651664), (416, 532610), (442, 501280), (482, 459680), (520, 426088), (544, 407290), (676, 327760), (680, 325832), (832, 266305), (845, 262208), (884, 250640), (964, 229840), (1040, 213044), (1088, 203645), (1105, 200512), (1205, 183872), (1352, 163880), (1360, 162916), (1690, 131104), (1768, 125320), (1928, 114920), (2080, 106522), (2210, 100256), (2410, 91936), (2704, 81940), (2720, 81458), (2873, 77120), (3133, 70720), (3380, 65552), (3536, 62660), (3856, 57460), (4097, 54080), (4160, 53261), (4420, 50128), (4820, 45968), (5408, 40970), (5440, 40729), (5746, 38560), (6266, 35360), (6760, 32776), (7072, 31330), (7712, 28730), (8194, 27040), (8840, 25064), (9640, 22984), (10816, 20485), (11492, 19280), (12532, 17680), (13520, 16388), (14144, 15665), (14365, 15424)]