28980240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7103}}^1$

素因数の和:7136

約数の個数: 80

約数和(自身を含む): 95136768

約数和(自身を除く): 66156528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7103, 14206, 21309, 28412, 35515, 42618, 56824, 71030, 85236, 106545, 113648, 120751, 142060, 170472, 213090, 241502, 284120, 340944, 362253, 426180, 483004, 568240, 603755, 724506, 852360, 966008, 1207510, 1449012, 1704720, 1811265, 1932016, 2415020, 2898024, 3622530, 4830040, 5796048, 7245060, 9660080, 14490120, 28980240]

約数ペア:

[(1, 28980240), (2, 14490120), (3, 9660080), (4, 7245060), (5, 5796048), (6, 4830040), (8, 3622530), (10, 2898024), (12, 2415020), (15, 1932016), (16, 1811265), (17, 1704720), (20, 1449012), (24, 1207510), (30, 966008), (34, 852360), (40, 724506), (48, 603755), (51, 568240), (60, 483004), (68, 426180), (80, 362253), (85, 340944), (102, 284120), (120, 241502), (136, 213090), (170, 170472), (204, 142060), (240, 120751), (255, 113648), (272, 106545), (340, 85236), (408, 71030), (510, 56824), (680, 42618), (816, 35515), (1020, 28412), (1360, 21309), (2040, 14206), (4080, 7103)]