18822720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2801}}^1$

素因数の和:2828

約数の個数: 112

約数和(自身を含む): 68323968

約数和(自身を除く): 49501248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 2801, 3360, 5602, 6720, 8403, 11204, 14005, 16806, 19607, 22408, 28010, 33612, 39214, 42015, 44816, 56020, 58821, 67224, 78428, 84030, 89632, 98035, 112040, 117642, 134448, 156856, 168060, 179264, 196070, 224080, 235284, 268896, 294105, 313712, 336120, 392140, 448160, 470568, 537792, 588210, 627424, 672240, 784280, 896320, 941136, 1176420, 1254848, 1344480, 1568560, 1882272, 2352840, 2688960, 3137120, 3764544, 4705680, 6274240, 9411360, 18822720]

約数ペア:

[(1, 18822720), (2, 9411360), (3, 6274240), (4, 4705680), (5, 3764544), (6, 3137120), (7, 2688960), (8, 2352840), (10, 1882272), (12, 1568560), (14, 1344480), (15, 1254848), (16, 1176420), (20, 941136), (21, 896320), (24, 784280), (28, 672240), (30, 627424), (32, 588210), (35, 537792), (40, 470568), (42, 448160), (48, 392140), (56, 336120), (60, 313712), (64, 294105), (70, 268896), (80, 235284), (84, 224080), (96, 196070), (105, 179264), (112, 168060), (120, 156856), (140, 134448), (160, 117642), (168, 112040), (192, 98035), (210, 89632), (224, 84030), (240, 78428), (280, 67224), (320, 58821), (336, 56020), (420, 44816), (448, 42015), (480, 39214), (560, 33612), (672, 28010), (840, 22408), (960, 19607), (1120, 16806), (1344, 14005), (1680, 11204), (2240, 8403), (2801, 6720), (3360, 5602)]