56721420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 216

約数和(自身を含む): 205405200

約数和(自身を除く): 148683780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 59, 60, 63, 70, 84, 90, 98, 105, 109, 118, 126, 140, 147, 177, 180, 196, 210, 218, 236, 245, 252, 294, 295, 315, 327, 354, 413, 420, 436, 441, 490, 531, 545, 588, 590, 630, 654, 708, 735, 763, 826, 882, 885, 980, 981, 1062, 1090, 1180, 1239, 1260, 1308, 1470, 1526, 1635, 1652, 1764, 1770, 1962, 2065, 2124, 2180, 2205, 2289, 2478, 2655, 2891, 2940, 3052, 3270, 3540, 3717, 3815, 3924, 4130, 4410, 4578, 4905, 4956, 5310, 5341, 5782, 6195, 6431, 6540, 6867, 7434, 7630, 8260, 8673, 8820, 9156, 9810, 10620, 10682, 11445, 11564, 12390, 12862, 13734, 14455, 14868, 15260, 16023, 17346, 18585, 19293, 19620, 21364, 22890, 24780, 25724, 26019, 26705, 27468, 28910, 32046, 32155, 34335, 34692, 37170, 38586, 43365, 45017, 45780, 48069, 52038, 53410, 57820, 57879, 64092, 64310, 68670, 74340, 77172, 80115, 86730, 90034, 96138, 96465, 104076, 106820, 115758, 128620, 130095, 135051, 137340, 160230, 173460, 180068, 192276, 192930, 225085, 231516, 240345, 260190, 270102, 289395, 315119, 320460, 385860, 405153, 450170, 480690, 520380, 540204, 578790, 630238, 675255, 810306, 900340, 945357, 961380, 1157580, 1260476, 1350510, 1575595, 1620612, 1890714, 2025765, 2701020, 2836071, 3151190, 3781428, 4051530, 4726785, 5672142, 6302380, 8103060, 9453570, 11344284, 14180355, 18907140, 28360710, 56721420]

約数ペア:

[(1, 56721420), (2, 28360710), (3, 18907140), (4, 14180355), (5, 11344284), (6, 9453570), (7, 8103060), (9, 6302380), (10, 5672142), (12, 4726785), (14, 4051530), (15, 3781428), (18, 3151190), (20, 2836071), (21, 2701020), (28, 2025765), (30, 1890714), (35, 1620612), (36, 1575595), (42, 1350510), (45, 1260476), (49, 1157580), (59, 961380), (60, 945357), (63, 900340), (70, 810306), (84, 675255), (90, 630238), (98, 578790), (105, 540204), (109, 520380), (118, 480690), (126, 450170), (140, 405153), (147, 385860), (177, 320460), (180, 315119), (196, 289395), (210, 270102), (218, 260190), (236, 240345), (245, 231516), (252, 225085), (294, 192930), (295, 192276), (315, 180068), (327, 173460), (354, 160230), (413, 137340), (420, 135051), (436, 130095), (441, 128620), (490, 115758), (531, 106820), (545, 104076), (588, 96465), (590, 96138), (630, 90034), (654, 86730), (708, 80115), (735, 77172), (763, 74340), (826, 68670), (882, 64310), (885, 64092), (980, 57879), (981, 57820), (1062, 53410), (1090, 52038), (1180, 48069), (1239, 45780), (1260, 45017), (1308, 43365), (1470, 38586), (1526, 37170), (1635, 34692), (1652, 34335), (1764, 32155), (1770, 32046), (1962, 28910), (2065, 27468), (2124, 26705), (2180, 26019), (2205, 25724), (2289, 24780), (2478, 22890), (2655, 21364), (2891, 19620), (2940, 19293), (3052, 18585), (3270, 17346), (3540, 16023), (3717, 15260), (3815, 14868), (3924, 14455), (4130, 13734), (4410, 12862), (4578, 12390), (4905, 11564), (4956, 11445), (5310, 10682), (5341, 10620), (5782, 9810), (6195, 9156), (6431, 8820), (6540, 8673), (6867, 8260), (7434, 7630)]