81873120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^2$

素因数の和:150

約数の個数: 216

約数和(自身を含む): 305177544

約数和(自身を除く): 223304424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 59, 60, 70, 80, 84, 96, 98, 105, 112, 118, 120, 140, 147, 160, 168, 177, 196, 210, 224, 236, 240, 245, 280, 294, 295, 336, 354, 392, 413, 420, 472, 480, 490, 560, 588, 590, 672, 708, 735, 784, 826, 840, 885, 944, 980, 1120, 1176, 1180, 1239, 1416, 1470, 1568, 1652, 1680, 1770, 1888, 1960, 2065, 2352, 2360, 2478, 2832, 2891, 2940, 3304, 3360, 3481, 3540, 3920, 4130, 4704, 4720, 4956, 5664, 5782, 5880, 6195, 6608, 6962, 7080, 7840, 8260, 8673, 9440, 9912, 10443, 11564, 11760, 12390, 13216, 13924, 14160, 14455, 16520, 17346, 17405, 19824, 20886, 23128, 23520, 24367, 24780, 27848, 28320, 28910, 33040, 34692, 34810, 39648, 41772, 43365, 46256, 48734, 49560, 52215, 55696, 57820, 66080, 69384, 69620, 73101, 83544, 86730, 92512, 97468, 99120, 104430, 111392, 115640, 121835, 138768, 139240, 146202, 167088, 170569, 173460, 194936, 198240, 208860, 231280, 243670, 277536, 278480, 292404, 334176, 341138, 346920, 365505, 389872, 417720, 462560, 487340, 511707, 556960, 584808, 682276, 693840, 731010, 779744, 835440, 852845, 974680, 1023414, 1169616, 1364552, 1387680, 1462020, 1670880, 1705690, 1949360, 2046828, 2339232, 2558535, 2729104, 2924040, 3411380, 3898720, 4093656, 5117070, 5458208, 5848080, 6822760, 8187312, 10234140, 11696160, 13645520, 16374624, 20468280, 27291040, 40936560, 81873120]

約数ペア:

[(1, 81873120), (2, 40936560), (3, 27291040), (4, 20468280), (5, 16374624), (6, 13645520), (7, 11696160), (8, 10234140), (10, 8187312), (12, 6822760), (14, 5848080), (15, 5458208), (16, 5117070), (20, 4093656), (21, 3898720), (24, 3411380), (28, 2924040), (30, 2729104), (32, 2558535), (35, 2339232), (40, 2046828), (42, 1949360), (48, 1705690), (49, 1670880), (56, 1462020), (59, 1387680), (60, 1364552), (70, 1169616), (80, 1023414), (84, 974680), (96, 852845), (98, 835440), (105, 779744), (112, 731010), (118, 693840), (120, 682276), (140, 584808), (147, 556960), (160, 511707), (168, 487340), (177, 462560), (196, 417720), (210, 389872), (224, 365505), (236, 346920), (240, 341138), (245, 334176), (280, 292404), (294, 278480), (295, 277536), (336, 243670), (354, 231280), (392, 208860), (413, 198240), (420, 194936), (472, 173460), (480, 170569), (490, 167088), (560, 146202), (588, 139240), (590, 138768), (672, 121835), (708, 115640), (735, 111392), (784, 104430), (826, 99120), (840, 97468), (885, 92512), (944, 86730), (980, 83544), (1120, 73101), (1176, 69620), (1180, 69384), (1239, 66080), (1416, 57820), (1470, 55696), (1568, 52215), (1652, 49560), (1680, 48734), (1770, 46256), (1888, 43365), (1960, 41772), (2065, 39648), (2352, 34810), (2360, 34692), (2478, 33040), (2832, 28910), (2891, 28320), (2940, 27848), (3304, 24780), (3360, 24367), (3481, 23520), (3540, 23128), (3920, 20886), (4130, 19824), (4704, 17405), (4720, 17346), (4956, 16520), (5664, 14455), (5782, 14160), (5880, 13924), (6195, 13216), (6608, 12390), (6962, 11760), (7080, 11564), (7840, 10443), (8260, 9912), (8673, 9440)]