28891080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 100144440

約数和(自身を除く): 71253360

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, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 241, 270, 296, 324, 333, 360, 370, 405, 444, 482, 540, 555, 648, 666, 723, 740, 810, 888, 964, 999, 1080, 1110, 1205, 1332, 1446, 1480, 1620, 1665, 1928, 1998, 2169, 2220, 2410, 2664, 2892, 2997, 3240, 3330, 3615, 3996, 4338, 4440, 4820, 4995, 5784, 5994, 6507, 6660, 7230, 7992, 8676, 8917, 9640, 9990, 10845, 11988, 13014, 13320, 14460, 14985, 17352, 17834, 19521, 19980, 21690, 23976, 26028, 26751, 28920, 29970, 32535, 35668, 39042, 39960, 43380, 44585, 52056, 53502, 59940, 65070, 71336, 78084, 80253, 86760, 89170, 97605, 107004, 119880, 130140, 133755, 156168, 160506, 178340, 195210, 214008, 240759, 260280, 267510, 321012, 356680, 390420, 401265, 481518, 535020, 642024, 722277, 780840, 802530, 963036, 1070040, 1203795, 1444554, 1605060, 1926072, 2407590, 2889108, 3210120, 3611385, 4815180, 5778216, 7222770, 9630360, 14445540, 28891080]

約数ペア:

[(1, 28891080), (2, 14445540), (3, 9630360), (4, 7222770), (5, 5778216), (6, 4815180), (8, 3611385), (9, 3210120), (10, 2889108), (12, 2407590), (15, 1926072), (18, 1605060), (20, 1444554), (24, 1203795), (27, 1070040), (30, 963036), (36, 802530), (37, 780840), (40, 722277), (45, 642024), (54, 535020), (60, 481518), (72, 401265), (74, 390420), (81, 356680), (90, 321012), (108, 267510), (111, 260280), (120, 240759), (135, 214008), (148, 195210), (162, 178340), (180, 160506), (185, 156168), (216, 133755), (222, 130140), (241, 119880), (270, 107004), (296, 97605), (324, 89170), (333, 86760), (360, 80253), (370, 78084), (405, 71336), (444, 65070), (482, 59940), (540, 53502), (555, 52056), (648, 44585), (666, 43380), (723, 39960), (740, 39042), (810, 35668), (888, 32535), (964, 29970), (999, 28920), (1080, 26751), (1110, 26028), (1205, 23976), (1332, 21690), (1446, 19980), (1480, 19521), (1620, 17834), (1665, 17352), (1928, 14985), (1998, 14460), (2169, 13320), (2220, 13014), (2410, 11988), (2664, 10845), (2892, 9990), (2997, 9640), (3240, 8917), (3330, 8676), (3615, 7992), (3996, 7230), (4338, 6660), (4440, 6507), (4820, 5994), (4995, 5784)]