28417920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 192

約数和(自身を含む): 97932240

約数和(自身を除く): 69514320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 41, 48, 57, 60, 64, 76, 80, 82, 95, 96, 114, 120, 123, 128, 152, 160, 164, 190, 192, 205, 228, 240, 246, 285, 304, 320, 328, 361, 380, 384, 410, 456, 480, 492, 570, 608, 615, 640, 656, 722, 760, 779, 820, 912, 960, 984, 1083, 1140, 1216, 1230, 1312, 1444, 1520, 1558, 1640, 1805, 1824, 1920, 1968, 2166, 2280, 2337, 2432, 2460, 2624, 2888, 3040, 3116, 3280, 3610, 3648, 3895, 3936, 4332, 4560, 4674, 4920, 5248, 5415, 5776, 6080, 6232, 6560, 7220, 7296, 7790, 7872, 8664, 9120, 9348, 9840, 10830, 11552, 11685, 12160, 12464, 13120, 14440, 14801, 15580, 15744, 17328, 18240, 18696, 19680, 21660, 23104, 23370, 24928, 26240, 28880, 29602, 31160, 34656, 36480, 37392, 39360, 43320, 44403, 46208, 46740, 49856, 57760, 59204, 62320, 69312, 74005, 74784, 78720, 86640, 88806, 93480, 99712, 115520, 118408, 124640, 138624, 148010, 149568, 173280, 177612, 186960, 222015, 231040, 236816, 249280, 296020, 299136, 346560, 355224, 373920, 444030, 473632, 498560, 592040, 693120, 710448, 747840, 888060, 947264, 1184080, 1420896, 1495680, 1776120, 1894528, 2368160, 2841792, 3552240, 4736320, 5683584, 7104480, 9472640, 14208960, 28417920]

約数ペア:

[(1, 28417920), (2, 14208960), (3, 9472640), (4, 7104480), (5, 5683584), (6, 4736320), (8, 3552240), (10, 2841792), (12, 2368160), (15, 1894528), (16, 1776120), (19, 1495680), (20, 1420896), (24, 1184080), (30, 947264), (32, 888060), (38, 747840), (40, 710448), (41, 693120), (48, 592040), (57, 498560), (60, 473632), (64, 444030), (76, 373920), (80, 355224), (82, 346560), (95, 299136), (96, 296020), (114, 249280), (120, 236816), (123, 231040), (128, 222015), (152, 186960), (160, 177612), (164, 173280), (190, 149568), (192, 148010), (205, 138624), (228, 124640), (240, 118408), (246, 115520), (285, 99712), (304, 93480), (320, 88806), (328, 86640), (361, 78720), (380, 74784), (384, 74005), (410, 69312), (456, 62320), (480, 59204), (492, 57760), (570, 49856), (608, 46740), (615, 46208), (640, 44403), (656, 43320), (722, 39360), (760, 37392), (779, 36480), (820, 34656), (912, 31160), (960, 29602), (984, 28880), (1083, 26240), (1140, 24928), (1216, 23370), (1230, 23104), (1312, 21660), (1444, 19680), (1520, 18696), (1558, 18240), (1640, 17328), (1805, 15744), (1824, 15580), (1920, 14801), (1968, 14440), (2166, 13120), (2280, 12464), (2337, 12160), (2432, 11685), (2460, 11552), (2624, 10830), (2888, 9840), (3040, 9348), (3116, 9120), (3280, 8664), (3610, 7872), (3648, 7790), (3895, 7296), (3936, 7220), (4332, 6560), (4560, 6232), (4674, 6080), (4920, 5776), (5248, 5415)]