28411560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 99590400

約数和(自身を除く): 71178840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 79, 81, 90, 108, 111, 120, 135, 148, 158, 162, 180, 185, 216, 222, 237, 243, 270, 296, 316, 324, 333, 360, 370, 395, 405, 444, 474, 486, 540, 555, 632, 648, 666, 711, 740, 790, 810, 888, 948, 972, 999, 1080, 1110, 1185, 1215, 1332, 1422, 1480, 1580, 1620, 1665, 1896, 1944, 1998, 2133, 2220, 2370, 2430, 2664, 2844, 2923, 2997, 3160, 3240, 3330, 3555, 3996, 4266, 4440, 4740, 4860, 4995, 5688, 5846, 5994, 6399, 6660, 7110, 7992, 8532, 8769, 8991, 9480, 9720, 9990, 10665, 11692, 11988, 12798, 13320, 14220, 14615, 14985, 17064, 17538, 17982, 19197, 19980, 21330, 23384, 23976, 25596, 26307, 28440, 29230, 29970, 31995, 35076, 35964, 38394, 39960, 42660, 43845, 44955, 51192, 52614, 58460, 59940, 63990, 70152, 71928, 76788, 78921, 85320, 87690, 89910, 95985, 105228, 116920, 119880, 127980, 131535, 153576, 157842, 175380, 179820, 191970, 210456, 236763, 255960, 263070, 315684, 350760, 359640, 383940, 394605, 473526, 526140, 631368, 710289, 767880, 789210, 947052, 1052280, 1183815, 1420578, 1578420, 1894104, 2367630, 2841156, 3156840, 3551445, 4735260, 5682312, 7102890, 9470520, 14205780, 28411560]

約数ペア:

[(1, 28411560), (2, 14205780), (3, 9470520), (4, 7102890), (5, 5682312), (6, 4735260), (8, 3551445), (9, 3156840), (10, 2841156), (12, 2367630), (15, 1894104), (18, 1578420), (20, 1420578), (24, 1183815), (27, 1052280), (30, 947052), (36, 789210), (37, 767880), (40, 710289), (45, 631368), (54, 526140), (60, 473526), (72, 394605), (74, 383940), (79, 359640), (81, 350760), (90, 315684), (108, 263070), (111, 255960), (120, 236763), (135, 210456), (148, 191970), (158, 179820), (162, 175380), (180, 157842), (185, 153576), (216, 131535), (222, 127980), (237, 119880), (243, 116920), (270, 105228), (296, 95985), (316, 89910), (324, 87690), (333, 85320), (360, 78921), (370, 76788), (395, 71928), (405, 70152), (444, 63990), (474, 59940), (486, 58460), (540, 52614), (555, 51192), (632, 44955), (648, 43845), (666, 42660), (711, 39960), (740, 38394), (790, 35964), (810, 35076), (888, 31995), (948, 29970), (972, 29230), (999, 28440), (1080, 26307), (1110, 25596), (1185, 23976), (1215, 23384), (1332, 21330), (1422, 19980), (1480, 19197), (1580, 17982), (1620, 17538), (1665, 17064), (1896, 14985), (1944, 14615), (1998, 14220), (2133, 13320), (2220, 12798), (2370, 11988), (2430, 11692), (2664, 10665), (2844, 9990), (2923, 9720), (2997, 9480), (3160, 8991), (3240, 8769), (3330, 8532), (3555, 7992), (3996, 7110), (4266, 6660), (4440, 6399), (4740, 5994), (4860, 5846), (4995, 5688)]