18317880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2423}}^1$

素因数の和:2450

約数の個数: 128

約数和(自身を含む): 69811200

約数和(自身を除く): 51493320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2423, 2520, 3780, 4846, 7269, 7560, 9692, 12115, 14538, 16961, 19384, 21807, 24230, 29076, 33922, 36345, 43614, 48460, 50883, 58152, 65421, 67844, 72690, 84805, 87228, 96920, 101766, 109035, 130842, 135688, 145380, 152649, 169610, 174456, 203532, 218070, 254415, 261684, 290760, 305298, 327105, 339220, 407064, 436140, 457947, 508830, 523368, 610596, 654210, 678440, 763245, 872280, 915894, 1017660, 1221192, 1308420, 1526490, 1831788, 2035320, 2289735, 2616840, 3052980, 3663576, 4579470, 6105960, 9158940, 18317880]

約数ペア:

[(1, 18317880), (2, 9158940), (3, 6105960), (4, 4579470), (5, 3663576), (6, 3052980), (7, 2616840), (8, 2289735), (9, 2035320), (10, 1831788), (12, 1526490), (14, 1308420), (15, 1221192), (18, 1017660), (20, 915894), (21, 872280), (24, 763245), (27, 678440), (28, 654210), (30, 610596), (35, 523368), (36, 508830), (40, 457947), (42, 436140), (45, 407064), (54, 339220), (56, 327105), (60, 305298), (63, 290760), (70, 261684), (72, 254415), (84, 218070), (90, 203532), (105, 174456), (108, 169610), (120, 152649), (126, 145380), (135, 135688), (140, 130842), (168, 109035), (180, 101766), (189, 96920), (210, 87228), (216, 84805), (252, 72690), (270, 67844), (280, 65421), (315, 58152), (360, 50883), (378, 48460), (420, 43614), (504, 36345), (540, 33922), (630, 29076), (756, 24230), (840, 21807), (945, 19384), (1080, 16961), (1260, 14538), (1512, 12115), (1890, 9692), (2423, 7560), (2520, 7269), (3780, 4846)]