72643680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:909

約数の個数: 144

約数和(自身を含む): 252265104

約数和(自身を除く): 179621424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 827, 915, 976, 1098, 1220, 1440, 1464, 1654, 1830, 1952, 2196, 2440, 2481, 2745, 2928, 3308, 3660, 4135, 4392, 4880, 4962, 5490, 5856, 6616, 7320, 7443, 8270, 8784, 9760, 9924, 10980, 12405, 13232, 14640, 14886, 16540, 17568, 19848, 21960, 24810, 26464, 29280, 29772, 33080, 37215, 39696, 43920, 49620, 50447, 59544, 66160, 74430, 79392, 87840, 99240, 100894, 119088, 132320, 148860, 151341, 198480, 201788, 238176, 252235, 297720, 302682, 396960, 403576, 454023, 504470, 595440, 605364, 756705, 807152, 908046, 1008940, 1190880, 1210728, 1513410, 1614304, 1816092, 2017880, 2270115, 2421456, 3026820, 3632184, 4035760, 4540230, 4842912, 6053640, 7264368, 8071520, 9080460, 12107280, 14528736, 18160920, 24214560, 36321840, 72643680]

約数ペア:

[(1, 72643680), (2, 36321840), (3, 24214560), (4, 18160920), (5, 14528736), (6, 12107280), (8, 9080460), (9, 8071520), (10, 7264368), (12, 6053640), (15, 4842912), (16, 4540230), (18, 4035760), (20, 3632184), (24, 3026820), (30, 2421456), (32, 2270115), (36, 2017880), (40, 1816092), (45, 1614304), (48, 1513410), (60, 1210728), (61, 1190880), (72, 1008940), (80, 908046), (90, 807152), (96, 756705), (120, 605364), (122, 595440), (144, 504470), (160, 454023), (180, 403576), (183, 396960), (240, 302682), (244, 297720), (288, 252235), (305, 238176), (360, 201788), (366, 198480), (480, 151341), (488, 148860), (549, 132320), (610, 119088), (720, 100894), (732, 99240), (827, 87840), (915, 79392), (976, 74430), (1098, 66160), (1220, 59544), (1440, 50447), (1464, 49620), (1654, 43920), (1830, 39696), (1952, 37215), (2196, 33080), (2440, 29772), (2481, 29280), (2745, 26464), (2928, 24810), (3308, 21960), (3660, 19848), (4135, 17568), (4392, 16540), (4880, 14886), (4962, 14640), (5490, 13232), (5856, 12405), (6616, 10980), (7320, 9924), (7443, 9760), (8270, 8784)]