28378320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 94493952

約数和(自身を除く): 66115632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 53, 60, 69, 80, 92, 97, 106, 115, 120, 138, 159, 184, 194, 212, 230, 240, 265, 276, 291, 318, 345, 368, 388, 424, 460, 485, 530, 552, 582, 636, 690, 776, 795, 848, 920, 970, 1060, 1104, 1164, 1219, 1272, 1380, 1455, 1552, 1590, 1840, 1940, 2120, 2231, 2328, 2438, 2544, 2760, 2910, 3180, 3657, 3880, 4240, 4462, 4656, 4876, 5141, 5520, 5820, 6095, 6360, 6693, 7314, 7760, 8924, 9752, 10282, 11155, 11640, 12190, 12720, 13386, 14628, 15423, 17848, 18285, 19504, 20564, 22310, 23280, 24380, 25705, 26772, 29256, 30846, 33465, 35696, 36570, 41128, 44620, 48760, 51410, 53544, 58512, 61692, 66930, 73140, 77115, 82256, 89240, 97520, 102820, 107088, 118243, 123384, 133860, 146280, 154230, 178480, 205640, 236486, 246768, 267720, 292560, 308460, 354729, 411280, 472972, 535440, 591215, 616920, 709458, 945944, 1182430, 1233840, 1418916, 1773645, 1891888, 2364860, 2837832, 3547290, 4729720, 5675664, 7094580, 9459440, 14189160, 28378320]

約数ペア:

[(1, 28378320), (2, 14189160), (3, 9459440), (4, 7094580), (5, 5675664), (6, 4729720), (8, 3547290), (10, 2837832), (12, 2364860), (15, 1891888), (16, 1773645), (20, 1418916), (23, 1233840), (24, 1182430), (30, 945944), (40, 709458), (46, 616920), (48, 591215), (53, 535440), (60, 472972), (69, 411280), (80, 354729), (92, 308460), (97, 292560), (106, 267720), (115, 246768), (120, 236486), (138, 205640), (159, 178480), (184, 154230), (194, 146280), (212, 133860), (230, 123384), (240, 118243), (265, 107088), (276, 102820), (291, 97520), (318, 89240), (345, 82256), (368, 77115), (388, 73140), (424, 66930), (460, 61692), (485, 58512), (530, 53544), (552, 51410), (582, 48760), (636, 44620), (690, 41128), (776, 36570), (795, 35696), (848, 33465), (920, 30846), (970, 29256), (1060, 26772), (1104, 25705), (1164, 24380), (1219, 23280), (1272, 22310), (1380, 20564), (1455, 19504), (1552, 18285), (1590, 17848), (1840, 15423), (1940, 14628), (2120, 13386), (2231, 12720), (2328, 12190), (2438, 11640), (2544, 11155), (2760, 10282), (2910, 9752), (3180, 8924), (3657, 7760), (3880, 7314), (4240, 6693), (4462, 6360), (4656, 6095), (4876, 5820), (5141, 5520)]