161720320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{929}}^1$

素因数の和:973

約数の個数: 96

約数和(自身を含む): 411301800

約数和(自身を除く): 249581480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 929, 1024, 1088, 1280, 1360, 1858, 2048, 2176, 2560, 2720, 3716, 4352, 4645, 5120, 5440, 7432, 8704, 9290, 10240, 10880, 14864, 15793, 17408, 18580, 21760, 29728, 31586, 34816, 37160, 43520, 59456, 63172, 74320, 78965, 87040, 118912, 126344, 148640, 157930, 174080, 237824, 252688, 297280, 315860, 475648, 505376, 594560, 631720, 951296, 1010752, 1189120, 1263440, 1902592, 2021504, 2378240, 2526880, 4043008, 4756480, 5053760, 8086016, 9512960, 10107520, 16172032, 20215040, 32344064, 40430080, 80860160, 161720320]

約数ペア:

[(1, 161720320), (2, 80860160), (4, 40430080), (5, 32344064), (8, 20215040), (10, 16172032), (16, 10107520), (17, 9512960), (20, 8086016), (32, 5053760), (34, 4756480), (40, 4043008), (64, 2526880), (68, 2378240), (80, 2021504), (85, 1902592), (128, 1263440), (136, 1189120), (160, 1010752), (170, 951296), (256, 631720), (272, 594560), (320, 505376), (340, 475648), (512, 315860), (544, 297280), (640, 252688), (680, 237824), (929, 174080), (1024, 157930), (1088, 148640), (1280, 126344), (1360, 118912), (1858, 87040), (2048, 78965), (2176, 74320), (2560, 63172), (2720, 59456), (3716, 43520), (4352, 37160), (4645, 34816), (5120, 31586), (5440, 29728), (7432, 21760), (8704, 18580), (9290, 17408), (10240, 15793), (10880, 14864)]