724137975

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 1620432000

約数和(自身を除く): 896294025

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 29, 33, 45, 55, 57, 59, 75, 81, 87, 95, 99, 135, 145, 165, 171, 177, 209, 225, 261, 275, 285, 295, 297, 319, 405, 435, 475, 495, 513, 531, 551, 627, 649, 675, 725, 783, 825, 855, 885, 891, 957, 1045, 1121, 1305, 1425, 1475, 1485, 1539, 1593, 1595, 1653, 1711, 1881, 1947, 2025, 2175, 2349, 2475, 2565, 2655, 2755, 2871, 3135, 3245, 3363, 3915, 4275, 4425, 4455, 4779, 4785, 4959, 5133, 5225, 5605, 5643, 5841, 6061, 6525, 7425, 7695, 7965, 7975, 8265, 8555, 8613, 9405, 9735, 10089, 11745, 12331, 12825, 13275, 13775, 14355, 14877, 15399, 15675, 16225, 16815, 16929, 17523, 18183, 18821, 19575, 22275, 23895, 23925, 24795, 25665, 25839, 28025, 28215, 29205, 30267, 30305, 32509, 36993, 38475, 39825, 41325, 42775, 43065, 44631, 46197, 47025, 48675, 50445, 52569, 54549, 56463, 58725, 61655, 71775, 74385, 76995, 84075, 84645, 87615, 90801, 90915, 94105, 97527, 110979, 119475, 123975, 128325, 129195, 138591, 141075, 146025, 151335, 151525, 162545, 163647, 169389, 184965, 215325, 223155, 230985, 252225, 262845, 272745, 282315, 292581, 308275, 332937, 357599, 371925, 384975, 423225, 438075, 454005, 454575, 470525, 487635, 490941, 508167, 554895, 645975, 692955, 756675, 812725, 818235, 846945, 877743, 924825, 998811, 1072797, 1115775, 1154925, 1314225, 1363725, 1411575, 1462905, 1524501, 1664685, 1787995, 2270025, 2438175, 2454705, 2540835, 2633229, 2774475, 3218391, 3464775, 4091175, 4234725, 4388715, 4994055, 5363985, 7314525, 7622505, 8323425, 8939975, 9655173, 12273525, 12704175, 13166145, 16091955, 21943575, 24970275, 26819925, 28965519, 38112525, 48275865, 65830725, 80459775, 144827595, 241379325, 724137975]

約数ペア:

[(1, 724137975), (3, 241379325), (5, 144827595), (9, 80459775), (11, 65830725), (15, 48275865), (19, 38112525), (25, 28965519), (27, 26819925), (29, 24970275), (33, 21943575), (45, 16091955), (55, 13166145), (57, 12704175), (59, 12273525), (75, 9655173), (81, 8939975), (87, 8323425), (95, 7622505), (99, 7314525), (135, 5363985), (145, 4994055), (165, 4388715), (171, 4234725), (177, 4091175), (209, 3464775), (225, 3218391), (261, 2774475), (275, 2633229), (285, 2540835), (295, 2454705), (297, 2438175), (319, 2270025), (405, 1787995), (435, 1664685), (475, 1524501), (495, 1462905), (513, 1411575), (531, 1363725), (551, 1314225), (627, 1154925), (649, 1115775), (675, 1072797), (725, 998811), (783, 924825), (825, 877743), (855, 846945), (885, 818235), (891, 812725), (957, 756675), (1045, 692955), (1121, 645975), (1305, 554895), (1425, 508167), (1475, 490941), (1485, 487635), (1539, 470525), (1593, 454575), (1595, 454005), (1653, 438075), (1711, 423225), (1881, 384975), (1947, 371925), (2025, 357599), (2175, 332937), (2349, 308275), (2475, 292581), (2565, 282315), (2655, 272745), (2755, 262845), (2871, 252225), (3135, 230985), (3245, 223155), (3363, 215325), (3915, 184965), (4275, 169389), (4425, 163647), (4455, 162545), (4779, 151525), (4785, 151335), (4959, 146025), (5133, 141075), (5225, 138591), (5605, 129195), (5643, 128325), (5841, 123975), (6061, 119475), (6525, 110979), (7425, 97527), (7695, 94105), (7965, 90915), (7975, 90801), (8265, 87615), (8555, 84645), (8613, 84075), (9405, 76995), (9735, 74385), (10089, 71775), (11745, 61655), (12331, 58725), (12825, 56463), (13275, 54549), (13775, 52569), (14355, 50445), (14877, 48675), (15399, 47025), (15675, 46197), (16225, 44631), (16815, 43065), (16929, 42775), (17523, 41325), (18183, 39825), (18821, 38475), (19575, 36993), (22275, 32509), (23895, 30305), (23925, 30267), (24795, 29205), (25665, 28215), (25839, 28025)]