1645848880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:903

約数の個数: 160

約数和(自身を含む): 4403718144

約数和(自身を除く): 2757869264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 127, 130, 136, 170, 208, 221, 254, 260, 272, 340, 442, 508, 520, 635, 680, 733, 884, 1016, 1040, 1105, 1270, 1360, 1466, 1651, 1768, 2032, 2159, 2210, 2540, 2932, 3302, 3536, 3665, 4318, 4420, 5080, 5864, 6604, 7330, 8255, 8636, 8840, 9529, 10160, 10795, 11728, 12461, 13208, 14660, 16510, 17272, 17680, 19058, 21590, 24922, 26416, 28067, 29320, 33020, 34544, 38116, 43180, 47645, 49844, 56134, 58640, 62305, 66040, 76232, 86360, 93091, 95290, 99688, 112268, 124610, 132080, 140335, 152464, 161993, 172720, 186182, 190580, 199376, 224536, 249220, 280670, 323986, 372364, 381160, 449072, 465455, 498440, 561340, 647972, 744728, 762320, 809965, 930910, 996880, 1122680, 1210183, 1295944, 1489456, 1582547, 1619930, 1861820, 2245360, 2420366, 2591888, 3165094, 3239860, 3723640, 4840732, 6050915, 6330188, 6479720, 7447280, 7912735, 9681464, 12101830, 12660376, 12959440, 15825470, 19362928, 20573111, 24203660, 25320752, 31650940, 41146222, 48407320, 63301880, 82292444, 96814640, 102865555, 126603760, 164584888, 205731110, 329169776, 411462220, 822924440, 1645848880]

約数ペア:

[(1, 1645848880), (2, 822924440), (4, 411462220), (5, 329169776), (8, 205731110), (10, 164584888), (13, 126603760), (16, 102865555), (17, 96814640), (20, 82292444), (26, 63301880), (34, 48407320), (40, 41146222), (52, 31650940), (65, 25320752), (68, 24203660), (80, 20573111), (85, 19362928), (104, 15825470), (127, 12959440), (130, 12660376), (136, 12101830), (170, 9681464), (208, 7912735), (221, 7447280), (254, 6479720), (260, 6330188), (272, 6050915), (340, 4840732), (442, 3723640), (508, 3239860), (520, 3165094), (635, 2591888), (680, 2420366), (733, 2245360), (884, 1861820), (1016, 1619930), (1040, 1582547), (1105, 1489456), (1270, 1295944), (1360, 1210183), (1466, 1122680), (1651, 996880), (1768, 930910), (2032, 809965), (2159, 762320), (2210, 744728), (2540, 647972), (2932, 561340), (3302, 498440), (3536, 465455), (3665, 449072), (4318, 381160), (4420, 372364), (5080, 323986), (5864, 280670), (6604, 249220), (7330, 224536), (8255, 199376), (8636, 190580), (8840, 186182), (9529, 172720), (10160, 161993), (10795, 152464), (11728, 140335), (12461, 132080), (13208, 124610), (14660, 112268), (16510, 99688), (17272, 95290), (17680, 93091), (19058, 86360), (21590, 76232), (24922, 66040), (26416, 62305), (28067, 58640), (29320, 56134), (33020, 49844), (34544, 47645), (38116, 43180)]