520211120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1303

約数の個数: 160

約数和(自身を含む): 1460531520

約数和(自身を除く): 940320400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 80, 88, 104, 110, 130, 143, 148, 176, 185, 208, 220, 260, 286, 296, 370, 407, 440, 481, 520, 572, 592, 715, 740, 814, 880, 962, 1040, 1144, 1229, 1430, 1480, 1628, 1924, 2035, 2288, 2405, 2458, 2860, 2960, 3256, 3848, 4070, 4810, 4916, 5291, 5720, 6145, 6512, 7696, 8140, 9620, 9832, 10582, 11440, 12290, 13519, 15977, 16280, 19240, 19664, 21164, 24580, 26455, 27038, 31954, 32560, 38480, 42328, 45473, 49160, 52910, 54076, 63908, 67595, 79885, 84656, 90946, 98320, 105820, 108152, 127816, 135190, 159770, 175747, 181892, 211640, 216304, 227365, 255632, 270380, 319540, 351494, 363784, 423280, 454730, 500203, 540760, 591149, 639080, 702988, 727568, 878735, 909460, 1000406, 1081520, 1182298, 1278160, 1405976, 1757470, 1818920, 2000812, 2364596, 2501015, 2811952, 2955745, 3514940, 3637840, 4001624, 4729192, 5002030, 5911490, 6502639, 7029880, 8003248, 9458384, 10004060, 11822980, 13005278, 14059760, 20008120, 23645960, 26010556, 32513195, 40016240, 47291920, 52021112, 65026390, 104042224, 130052780, 260105560, 520211120]

約数ペア:

[(1, 520211120), (2, 260105560), (4, 130052780), (5, 104042224), (8, 65026390), (10, 52021112), (11, 47291920), (13, 40016240), (16, 32513195), (20, 26010556), (22, 23645960), (26, 20008120), (37, 14059760), (40, 13005278), (44, 11822980), (52, 10004060), (55, 9458384), (65, 8003248), (74, 7029880), (80, 6502639), (88, 5911490), (104, 5002030), (110, 4729192), (130, 4001624), (143, 3637840), (148, 3514940), (176, 2955745), (185, 2811952), (208, 2501015), (220, 2364596), (260, 2000812), (286, 1818920), (296, 1757470), (370, 1405976), (407, 1278160), (440, 1182298), (481, 1081520), (520, 1000406), (572, 909460), (592, 878735), (715, 727568), (740, 702988), (814, 639080), (880, 591149), (962, 540760), (1040, 500203), (1144, 454730), (1229, 423280), (1430, 363784), (1480, 351494), (1628, 319540), (1924, 270380), (2035, 255632), (2288, 227365), (2405, 216304), (2458, 211640), (2860, 181892), (2960, 175747), (3256, 159770), (3848, 135190), (4070, 127816), (4810, 108152), (4916, 105820), (5291, 98320), (5720, 90946), (6145, 84656), (6512, 79885), (7696, 67595), (8140, 63908), (9620, 54076), (9832, 52910), (10582, 49160), (11440, 45473), (12290, 42328), (13519, 38480), (15977, 32560), (16280, 31954), (19240, 27038), (19664, 26455), (21164, 24580)]