19977680160

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{26731}}^1$

素因数の和:26928

約数の個数: 192

約数和(自身を含む): 70328684160

約数和(自身を除く): 50351004000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 173, 180, 216, 240, 270, 288, 346, 360, 432, 480, 519, 540, 692, 720, 864, 865, 1038, 1080, 1384, 1440, 1557, 1730, 2076, 2160, 2595, 2768, 3114, 3460, 4152, 4320, 4671, 5190, 5536, 6228, 6920, 7785, 8304, 9342, 10380, 12456, 13840, 15570, 16608, 18684, 20760, 23355, 24912, 26731, 27680, 31140, 37368, 41520, 46710, 49824, 53462, 62280, 74736, 80193, 83040, 93420, 106924, 124560, 133655, 149472, 160386, 186840, 213848, 240579, 249120, 267310, 320772, 373680, 400965, 427696, 481158, 534620, 641544, 721737, 747360, 801930, 855392, 962316, 1069240, 1202895, 1283088, 1443474, 1603860, 1924632, 2138480, 2405790, 2566176, 2886948, 3207720, 3608685, 3849264, 4276960, 4624463, 4811580, 5773896, 6415440, 7217370, 7698528, 9248926, 9623160, 11547792, 12830880, 13873389, 14434740, 18497852, 19246320, 23095584, 23122315, 27746778, 28869480, 36995704, 38492640, 41620167, 46244630, 55493556, 57738960, 69366945, 73991408, 83240334, 92489260, 110987112, 115477920, 124860501, 138733890, 147982816, 166480668, 184978520, 208100835, 221974224, 249721002, 277467780, 332961336, 369957040, 416201670, 443948448, 499442004, 554935560, 624302505, 665922672, 739914080, 832403340, 998884008, 1109871120, 1248605010, 1331845344, 1664806680, 1997768016, 2219742240, 2497210020, 3329613360, 3995536032, 4994420040, 6659226720, 9988840080, 19977680160]

約数ペア:

[(1, 19977680160), (2, 9988840080), (3, 6659226720), (4, 4994420040), (5, 3995536032), (6, 3329613360), (8, 2497210020), (9, 2219742240), (10, 1997768016), (12, 1664806680), (15, 1331845344), (16, 1248605010), (18, 1109871120), (20, 998884008), (24, 832403340), (27, 739914080), (30, 665922672), (32, 624302505), (36, 554935560), (40, 499442004), (45, 443948448), (48, 416201670), (54, 369957040), (60, 332961336), (72, 277467780), (80, 249721002), (90, 221974224), (96, 208100835), (108, 184978520), (120, 166480668), (135, 147982816), (144, 138733890), (160, 124860501), (173, 115477920), (180, 110987112), (216, 92489260), (240, 83240334), (270, 73991408), (288, 69366945), (346, 57738960), (360, 55493556), (432, 46244630), (480, 41620167), (519, 38492640), (540, 36995704), (692, 28869480), (720, 27746778), (864, 23122315), (865, 23095584), (1038, 19246320), (1080, 18497852), (1384, 14434740), (1440, 13873389), (1557, 12830880), (1730, 11547792), (2076, 9623160), (2160, 9248926), (2595, 7698528), (2768, 7217370), (3114, 6415440), (3460, 5773896), (4152, 4811580), (4320, 4624463), (4671, 4276960), (5190, 3849264), (5536, 3608685), (6228, 3207720), (6920, 2886948), (7785, 2566176), (8304, 2405790), (9342, 2138480), (10380, 1924632), (12456, 1603860), (13840, 1443474), (15570, 1283088), (16608, 1202895), (18684, 1069240), (20760, 962316), (23355, 855392), (24912, 801930), (26731, 747360), (27680, 721737), (31140, 641544), (37368, 534620), (41520, 481158), (46710, 427696), (49824, 400965), (53462, 373680), (62280, 320772), (74736, 267310), (80193, 249120), (83040, 240579), (93420, 213848), (106924, 186840), (124560, 160386), (133655, 149472)]