1320220860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{44273}}^1$

素因数の和:44363

約数の個数: 96

約数和(自身を含む): 4284306432

約数和(自身を除く): 2964085572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4970, 5964, 7455, 9940, 14910, 29820, 44273, 88546, 132819, 177092, 221365, 265638, 309911, 442730, 531276, 619822, 664095, 885460, 929733, 1239644, 1328190, 1549555, 1859466, 2656380, 3099110, 3143383, 3718932, 4648665, 6198220, 6286766, 9297330, 9430149, 12573532, 15716915, 18594660, 18860298, 22003681, 31433830, 37720596, 44007362, 47150745, 62867660, 66011043, 88014724, 94301490, 110018405, 132022086, 188602980, 220036810, 264044172, 330055215, 440073620, 660110430, 1320220860]

約数ペア:

[(1, 1320220860), (2, 660110430), (3, 440073620), (4, 330055215), (5, 264044172), (6, 220036810), (7, 188602980), (10, 132022086), (12, 110018405), (14, 94301490), (15, 88014724), (20, 66011043), (21, 62867660), (28, 47150745), (30, 44007362), (35, 37720596), (42, 31433830), (60, 22003681), (70, 18860298), (71, 18594660), (84, 15716915), (105, 12573532), (140, 9430149), (142, 9297330), (210, 6286766), (213, 6198220), (284, 4648665), (355, 3718932), (420, 3143383), (426, 3099110), (497, 2656380), (710, 1859466), (852, 1549555), (994, 1328190), (1065, 1239644), (1420, 929733), (1491, 885460), (1988, 664095), (2130, 619822), (2485, 531276), (2982, 442730), (4260, 309911), (4970, 265638), (5964, 221365), (7455, 177092), (9940, 132819), (14910, 88546), (29820, 44273)]