28951020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 111541248

約数和(自身を除く): 82590228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 37, 42, 45, 46, 54, 60, 63, 69, 70, 74, 81, 84, 90, 92, 105, 108, 111, 115, 126, 135, 138, 140, 148, 161, 162, 180, 185, 189, 207, 210, 222, 230, 243, 252, 259, 270, 276, 315, 322, 324, 333, 345, 370, 378, 405, 414, 420, 444, 460, 483, 486, 518, 540, 555, 567, 621, 630, 644, 666, 690, 740, 756, 777, 805, 810, 828, 851, 945, 966, 972, 999, 1035, 1036, 1110, 1134, 1215, 1242, 1260, 1295, 1332, 1380, 1449, 1554, 1610, 1620, 1665, 1701, 1702, 1863, 1890, 1932, 1998, 2070, 2220, 2268, 2331, 2415, 2430, 2484, 2553, 2590, 2835, 2898, 2997, 3105, 3108, 3220, 3330, 3402, 3404, 3726, 3780, 3885, 3996, 4140, 4255, 4347, 4662, 4830, 4860, 4995, 5106, 5180, 5589, 5670, 5796, 5957, 5994, 6210, 6660, 6804, 6993, 7245, 7452, 7659, 7770, 8505, 8510, 8694, 8991, 9315, 9324, 9660, 9990, 10212, 11178, 11340, 11655, 11914, 11988, 12420, 12765, 13041, 13986, 14490, 14985, 15318, 15540, 17010, 17020, 17388, 17871, 17982, 18630, 19980, 20979, 21735, 22356, 22977, 23310, 23828, 25530, 26082, 27945, 27972, 28980, 29785, 29970, 30636, 34020, 34965, 35742, 35964, 37260, 38295, 39123, 41958, 43470, 44955, 45954, 46620, 51060, 52164, 53613, 55890, 59570, 59940, 62937, 65205, 68931, 69930, 71484, 76590, 78246, 83916, 86940, 89355, 89910, 91908, 104895, 107226, 111780, 114885, 119140, 125874, 130410, 137862, 139860, 153180, 156492, 160839, 178710, 179820, 195615, 206793, 209790, 214452, 229770, 251748, 260820, 268065, 275724, 314685, 321678, 344655, 357420, 391230, 413586, 419580, 459540, 482517, 536130, 629370, 643356, 689310, 782460, 804195, 827172, 965034, 1033965, 1072260, 1258740, 1378620, 1447551, 1608390, 1930068, 2067930, 2412585, 2895102, 3216780, 4135860, 4825170, 5790204, 7237755, 9650340, 14475510, 28951020]

約数ペア:

[(1, 28951020), (2, 14475510), (3, 9650340), (4, 7237755), (5, 5790204), (6, 4825170), (7, 4135860), (9, 3216780), (10, 2895102), (12, 2412585), (14, 2067930), (15, 1930068), (18, 1608390), (20, 1447551), (21, 1378620), (23, 1258740), (27, 1072260), (28, 1033965), (30, 965034), (35, 827172), (36, 804195), (37, 782460), (42, 689310), (45, 643356), (46, 629370), (54, 536130), (60, 482517), (63, 459540), (69, 419580), (70, 413586), (74, 391230), (81, 357420), (84, 344655), (90, 321678), (92, 314685), (105, 275724), (108, 268065), (111, 260820), (115, 251748), (126, 229770), (135, 214452), (138, 209790), (140, 206793), (148, 195615), (161, 179820), (162, 178710), (180, 160839), (185, 156492), (189, 153180), (207, 139860), (210, 137862), (222, 130410), (230, 125874), (243, 119140), (252, 114885), (259, 111780), (270, 107226), (276, 104895), (315, 91908), (322, 89910), (324, 89355), (333, 86940), (345, 83916), (370, 78246), (378, 76590), (405, 71484), (414, 69930), (420, 68931), (444, 65205), (460, 62937), (483, 59940), (486, 59570), (518, 55890), (540, 53613), (555, 52164), (567, 51060), (621, 46620), (630, 45954), (644, 44955), (666, 43470), (690, 41958), (740, 39123), (756, 38295), (777, 37260), (805, 35964), (810, 35742), (828, 34965), (851, 34020), (945, 30636), (966, 29970), (972, 29785), (999, 28980), (1035, 27972), (1036, 27945), (1110, 26082), (1134, 25530), (1215, 23828), (1242, 23310), (1260, 22977), (1295, 22356), (1332, 21735), (1380, 20979), (1449, 19980), (1554, 18630), (1610, 17982), (1620, 17871), (1665, 17388), (1701, 17020), (1702, 17010), (1863, 15540), (1890, 15318), (1932, 14985), (1998, 14490), (2070, 13986), (2220, 13041), (2268, 12765), (2331, 12420), (2415, 11988), (2430, 11914), (2484, 11655), (2553, 11340), (2590, 11178), (2835, 10212), (2898, 9990), (2997, 9660), (3105, 9324), (3108, 9315), (3220, 8991), (3330, 8694), (3402, 8510), (3404, 8505), (3726, 7770), (3780, 7659), (3885, 7452), (3996, 7245), (4140, 6993), (4255, 6804), (4347, 6660), (4662, 6210), (4830, 5994), (4860, 5957), (4995, 5796), (5106, 5670), (5180, 5589)]