81646920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4447}}^1$

素因数の和:4484

約数の個数: 128

約数和(自身を含む): 288230400

約数和(自身を除く): 206583480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4447, 4590, 6120, 8894, 9180, 13341, 17788, 18360, 22235, 26682, 35576, 40023, 44470, 53364, 66705, 75599, 80046, 88940, 106728, 120069, 133410, 151198, 160092, 177880, 200115, 226797, 240138, 266820, 302396, 320184, 377995, 400230, 453594, 480276, 533640, 600345, 604792, 680391, 755990, 800460, 907188, 960552, 1133985, 1200690, 1360782, 1511980, 1600920, 1814376, 2041173, 2267970, 2401380, 2721564, 3023960, 3401955, 4082346, 4535940, 4802760, 5443128, 6803910, 8164692, 9071880, 10205865, 13607820, 16329384, 20411730, 27215640, 40823460, 81646920]

約数ペア:

[(1, 81646920), (2, 40823460), (3, 27215640), (4, 20411730), (5, 16329384), (6, 13607820), (8, 10205865), (9, 9071880), (10, 8164692), (12, 6803910), (15, 5443128), (17, 4802760), (18, 4535940), (20, 4082346), (24, 3401955), (27, 3023960), (30, 2721564), (34, 2401380), (36, 2267970), (40, 2041173), (45, 1814376), (51, 1600920), (54, 1511980), (60, 1360782), (68, 1200690), (72, 1133985), (85, 960552), (90, 907188), (102, 800460), (108, 755990), (120, 680391), (135, 604792), (136, 600345), (153, 533640), (170, 480276), (180, 453594), (204, 400230), (216, 377995), (255, 320184), (270, 302396), (306, 266820), (340, 240138), (360, 226797), (408, 200115), (459, 177880), (510, 160092), (540, 151198), (612, 133410), (680, 120069), (765, 106728), (918, 88940), (1020, 80046), (1080, 75599), (1224, 66705), (1530, 53364), (1836, 44470), (2040, 40023), (2295, 35576), (3060, 26682), (3672, 22235), (4447, 18360), (4590, 17788), (6120, 13341), (8894, 9180)]