42640920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{16921}}^1$

素因数の和:16945

約数の個数: 96

約数和(自身を含む): 158389920

約数和(自身を除く): 115749000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 16921, 33842, 50763, 67684, 84605, 101526, 118447, 135368, 152289, 169210, 203052, 236894, 253815, 304578, 338420, 355341, 406104, 473788, 507630, 592235, 609156, 676840, 710682, 761445, 947576, 1015260, 1066023, 1184470, 1218312, 1421364, 1522890, 1776705, 2030520, 2132046, 2368940, 2842728, 3045780, 3553410, 4264092, 4737880, 5330115, 6091560, 7106820, 8528184, 10660230, 14213640, 21320460, 42640920]

約数ペア:

[(1, 42640920), (2, 21320460), (3, 14213640), (4, 10660230), (5, 8528184), (6, 7106820), (7, 6091560), (8, 5330115), (9, 4737880), (10, 4264092), (12, 3553410), (14, 3045780), (15, 2842728), (18, 2368940), (20, 2132046), (21, 2030520), (24, 1776705), (28, 1522890), (30, 1421364), (35, 1218312), (36, 1184470), (40, 1066023), (42, 1015260), (45, 947576), (56, 761445), (60, 710682), (63, 676840), (70, 609156), (72, 592235), (84, 507630), (90, 473788), (105, 406104), (120, 355341), (126, 338420), (140, 304578), (168, 253815), (180, 236894), (210, 203052), (252, 169210), (280, 152289), (315, 135368), (360, 118447), (420, 101526), (504, 84605), (630, 67684), (840, 50763), (1260, 33842), (2520, 16921)]