80409140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 214042752

約数和(自身を除く): 133633612

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 43, 70, 74, 76, 86, 95, 133, 140, 148, 172, 185, 190, 215, 259, 266, 301, 361, 370, 380, 430, 518, 532, 602, 665, 703, 722, 740, 817, 860, 1036, 1204, 1295, 1330, 1406, 1444, 1505, 1591, 1634, 1805, 2527, 2590, 2660, 2812, 3010, 3182, 3268, 3515, 3610, 4085, 4921, 5054, 5180, 5719, 6020, 6364, 7030, 7220, 7955, 8170, 9842, 10108, 11137, 11438, 12635, 13357, 14060, 15523, 15910, 16340, 19684, 22274, 22876, 24605, 25270, 26714, 28595, 30229, 31046, 31820, 44548, 49210, 50540, 53428, 55685, 57190, 60458, 62092, 66785, 77615, 93499, 98420, 108661, 111370, 114380, 120916, 133570, 151145, 155230, 186998, 211603, 217322, 222740, 267140, 302290, 310460, 373996, 423206, 434644, 467495, 543305, 574351, 604580, 846412, 934990, 1058015, 1086610, 1148702, 1869980, 2116030, 2173220, 2297404, 2871755, 4020457, 4232060, 5743510, 8040914, 11487020, 16081828, 20102285, 40204570, 80409140]

約数ペア:

[(1, 80409140), (2, 40204570), (4, 20102285), (5, 16081828), (7, 11487020), (10, 8040914), (14, 5743510), (19, 4232060), (20, 4020457), (28, 2871755), (35, 2297404), (37, 2173220), (38, 2116030), (43, 1869980), (70, 1148702), (74, 1086610), (76, 1058015), (86, 934990), (95, 846412), (133, 604580), (140, 574351), (148, 543305), (172, 467495), (185, 434644), (190, 423206), (215, 373996), (259, 310460), (266, 302290), (301, 267140), (361, 222740), (370, 217322), (380, 211603), (430, 186998), (518, 155230), (532, 151145), (602, 133570), (665, 120916), (703, 114380), (722, 111370), (740, 108661), (817, 98420), (860, 93499), (1036, 77615), (1204, 66785), (1295, 62092), (1330, 60458), (1406, 57190), (1444, 55685), (1505, 53428), (1591, 50540), (1634, 49210), (1805, 44548), (2527, 31820), (2590, 31046), (2660, 30229), (2812, 28595), (3010, 26714), (3182, 25270), (3268, 24605), (3515, 22876), (3610, 22274), (4085, 19684), (4921, 16340), (5054, 15910), (5180, 15523), (5719, 14060), (6020, 13357), (6364, 12635), (7030, 11438), (7220, 11137), (7955, 10108), (8170, 9842)]