51860340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 182407680

約数和(自身を除く): 130547340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 521, 553, 630, 711, 790, 948, 1042, 1106, 1185, 1260, 1422, 1563, 1580, 1659, 2084, 2212, 2370, 2605, 2765, 2844, 3126, 3318, 3555, 3647, 4689, 4740, 4977, 5210, 5530, 6252, 6636, 7110, 7294, 7815, 8295, 9378, 9954, 10420, 10941, 11060, 14220, 14588, 15630, 16590, 18235, 18756, 19908, 21882, 23445, 24885, 31260, 32823, 33180, 36470, 41159, 43764, 46890, 49770, 54705, 65646, 72940, 82318, 93780, 99540, 109410, 123477, 131292, 164115, 164636, 205795, 218820, 246954, 288113, 328230, 370431, 411590, 493908, 576226, 617385, 656460, 740862, 823180, 864339, 1152452, 1234770, 1440565, 1481724, 1728678, 1852155, 2469540, 2593017, 2881130, 3457356, 3704310, 4321695, 5186034, 5762260, 7408620, 8643390, 10372068, 12965085, 17286780, 25930170, 51860340]

約数ペア:

[(1, 51860340), (2, 25930170), (3, 17286780), (4, 12965085), (5, 10372068), (6, 8643390), (7, 7408620), (9, 5762260), (10, 5186034), (12, 4321695), (14, 3704310), (15, 3457356), (18, 2881130), (20, 2593017), (21, 2469540), (28, 1852155), (30, 1728678), (35, 1481724), (36, 1440565), (42, 1234770), (45, 1152452), (60, 864339), (63, 823180), (70, 740862), (79, 656460), (84, 617385), (90, 576226), (105, 493908), (126, 411590), (140, 370431), (158, 328230), (180, 288113), (210, 246954), (237, 218820), (252, 205795), (315, 164636), (316, 164115), (395, 131292), (420, 123477), (474, 109410), (521, 99540), (553, 93780), (630, 82318), (711, 72940), (790, 65646), (948, 54705), (1042, 49770), (1106, 46890), (1185, 43764), (1260, 41159), (1422, 36470), (1563, 33180), (1580, 32823), (1659, 31260), (2084, 24885), (2212, 23445), (2370, 21882), (2605, 19908), (2765, 18756), (2844, 18235), (3126, 16590), (3318, 15630), (3555, 14588), (3647, 14220), (4689, 11060), (4740, 10941), (4977, 10420), (5210, 9954), (5530, 9378), (6252, 8295), (6636, 7815), (7110, 7294)]