155581020

素因数分解:

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

素因数の和:625

約数の個数: 192

約数和(自身を含む): 561254400

約数和(自身を除く): 405673380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 84, 90, 105, 108, 126, 135, 140, 158, 180, 189, 210, 237, 252, 270, 315, 316, 378, 395, 420, 474, 521, 540, 553, 630, 711, 756, 790, 945, 948, 1042, 1106, 1185, 1260, 1422, 1563, 1580, 1659, 1890, 2084, 2133, 2212, 2370, 2605, 2765, 2844, 3126, 3318, 3555, 3647, 3780, 4266, 4689, 4740, 4977, 5210, 5530, 6252, 6636, 7110, 7294, 7815, 8295, 8532, 9378, 9954, 10420, 10665, 10941, 11060, 14067, 14220, 14588, 14931, 15630, 16590, 18235, 18756, 19908, 21330, 21882, 23445, 24885, 28134, 29862, 31260, 32823, 33180, 36470, 41159, 42660, 43764, 46890, 49770, 54705, 56268, 59724, 65646, 70335, 72940, 74655, 82318, 93780, 98469, 99540, 109410, 123477, 131292, 140670, 149310, 164115, 164636, 196938, 205795, 218820, 246954, 281340, 288113, 298620, 328230, 370431, 393876, 411590, 492345, 493908, 576226, 617385, 656460, 740862, 823180, 864339, 984690, 1111293, 1152452, 1234770, 1440565, 1481724, 1728678, 1852155, 1969380, 2222586, 2469540, 2593017, 2881130, 3457356, 3704310, 4321695, 4445172, 5186034, 5556465, 5762260, 7408620, 7779051, 8643390, 10372068, 11112930, 12965085, 15558102, 17286780, 22225860, 25930170, 31116204, 38895255, 51860340, 77790510, 155581020]

約数ペア:

[(1, 155581020), (2, 77790510), (3, 51860340), (4, 38895255), (5, 31116204), (6, 25930170), (7, 22225860), (9, 17286780), (10, 15558102), (12, 12965085), (14, 11112930), (15, 10372068), (18, 8643390), (20, 7779051), (21, 7408620), (27, 5762260), (28, 5556465), (30, 5186034), (35, 4445172), (36, 4321695), (42, 3704310), (45, 3457356), (54, 2881130), (60, 2593017), (63, 2469540), (70, 2222586), (79, 1969380), (84, 1852155), (90, 1728678), (105, 1481724), (108, 1440565), (126, 1234770), (135, 1152452), (140, 1111293), (158, 984690), (180, 864339), (189, 823180), (210, 740862), (237, 656460), (252, 617385), (270, 576226), (315, 493908), (316, 492345), (378, 411590), (395, 393876), (420, 370431), (474, 328230), (521, 298620), (540, 288113), (553, 281340), (630, 246954), (711, 218820), (756, 205795), (790, 196938), (945, 164636), (948, 164115), (1042, 149310), (1106, 140670), (1185, 131292), (1260, 123477), (1422, 109410), (1563, 99540), (1580, 98469), (1659, 93780), (1890, 82318), (2084, 74655), (2133, 72940), (2212, 70335), (2370, 65646), (2605, 59724), (2765, 56268), (2844, 54705), (3126, 49770), (3318, 46890), (3555, 43764), (3647, 42660), (3780, 41159), (4266, 36470), (4689, 33180), (4740, 32823), (4977, 31260), (5210, 29862), (5530, 28134), (6252, 24885), (6636, 23445), (7110, 21882), (7294, 21330), (7815, 19908), (8295, 18756), (8532, 18235), (9378, 16590), (9954, 15630), (10420, 14931), (10665, 14588), (10941, 14220), (11060, 14067)]