161354340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1722

約数の個数: 144

約数和(自身を含む): 566791680

約数和(自身を除く): 405437340

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, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1621, 1659, 2212, 2370, 2765, 2844, 3242, 3318, 3555, 4740, 4863, 4977, 5530, 6484, 6636, 7110, 8105, 8295, 9726, 9954, 11060, 11347, 14220, 14589, 16210, 16590, 19452, 19908, 22694, 24315, 24885, 29178, 32420, 33180, 34041, 45388, 48630, 49770, 56735, 58356, 68082, 72945, 97260, 99540, 102123, 113470, 128059, 136164, 145890, 170205, 204246, 226940, 256118, 291780, 340410, 384177, 408492, 510615, 512236, 640295, 680820, 768354, 896413, 1021230, 1152531, 1280590, 1536708, 1792826, 1920885, 2042460, 2305062, 2561180, 2689239, 3585652, 3841770, 4482065, 4610124, 5378478, 5762655, 7683540, 8067717, 8964130, 10756956, 11525310, 13446195, 16135434, 17928260, 23050620, 26892390, 32270868, 40338585, 53784780, 80677170, 161354340]

約数ペア:

[(1, 161354340), (2, 80677170), (3, 53784780), (4, 40338585), (5, 32270868), (6, 26892390), (7, 23050620), (9, 17928260), (10, 16135434), (12, 13446195), (14, 11525310), (15, 10756956), (18, 8964130), (20, 8067717), (21, 7683540), (28, 5762655), (30, 5378478), (35, 4610124), (36, 4482065), (42, 3841770), (45, 3585652), (60, 2689239), (63, 2561180), (70, 2305062), (79, 2042460), (84, 1920885), (90, 1792826), (105, 1536708), (126, 1280590), (140, 1152531), (158, 1021230), (180, 896413), (210, 768354), (237, 680820), (252, 640295), (315, 512236), (316, 510615), (395, 408492), (420, 384177), (474, 340410), (553, 291780), (630, 256118), (711, 226940), (790, 204246), (948, 170205), (1106, 145890), (1185, 136164), (1260, 128059), (1422, 113470), (1580, 102123), (1621, 99540), (1659, 97260), (2212, 72945), (2370, 68082), (2765, 58356), (2844, 56735), (3242, 49770), (3318, 48630), (3555, 45388), (4740, 34041), (4863, 33180), (4977, 32420), (5530, 29178), (6484, 24885), (6636, 24315), (7110, 22694), (8105, 19908), (8295, 19452), (9726, 16590), (9954, 16210), (11060, 14589), (11347, 14220)]