72880920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{28921}}^1$

素因数の和:28945

約数の個数: 96

約数和(自身を含む): 270709920

約数和(自身を除く): 197829000

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, 28921, 57842, 86763, 115684, 144605, 173526, 202447, 231368, 260289, 289210, 347052, 404894, 433815, 520578, 578420, 607341, 694104, 809788, 867630, 1012235, 1041156, 1156840, 1214682, 1301445, 1619576, 1735260, 1822023, 2024470, 2082312, 2429364, 2602890, 3036705, 3470520, 3644046, 4048940, 4858728, 5205780, 6073410, 7288092, 8097880, 9110115, 10411560, 12146820, 14576184, 18220230, 24293640, 36440460, 72880920]

約数ペア:

[(1, 72880920), (2, 36440460), (3, 24293640), (4, 18220230), (5, 14576184), (6, 12146820), (7, 10411560), (8, 9110115), (9, 8097880), (10, 7288092), (12, 6073410), (14, 5205780), (15, 4858728), (18, 4048940), (20, 3644046), (21, 3470520), (24, 3036705), (28, 2602890), (30, 2429364), (35, 2082312), (36, 2024470), (40, 1822023), (42, 1735260), (45, 1619576), (56, 1301445), (60, 1214682), (63, 1156840), (70, 1041156), (72, 1012235), (84, 867630), (90, 809788), (105, 694104), (120, 607341), (126, 578420), (140, 520578), (168, 433815), (180, 404894), (210, 347052), (252, 289210), (280, 260289), (315, 231368), (360, 202447), (420, 173526), (504, 144605), (630, 115684), (840, 86763), (1260, 57842), (2520, 28921)]