205191480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4301

約数の個数: 128

約数和(自身を含む): 684472320

約数和(自身を除く): 479280840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4243, 4836, 6045, 8060, 8486, 9672, 12090, 12729, 16120, 16972, 21215, 24180, 25458, 33944, 42430, 48360, 50916, 55159, 63645, 84860, 101832, 110318, 127290, 131533, 165477, 169720, 220636, 254580, 263066, 275795, 330954, 394599, 441272, 509160, 526132, 551590, 657665, 661908, 789198, 827385, 1052264, 1103180, 1315330, 1323816, 1578396, 1654770, 1709929, 1972995, 2206360, 2630660, 3156792, 3309540, 3419858, 3945990, 5129787, 5261320, 6619080, 6839716, 7891980, 8549645, 10259574, 13679432, 15783960, 17099290, 20519148, 25648935, 34198580, 41038296, 51297870, 68397160, 102595740, 205191480]

約数ペア:

[(1, 205191480), (2, 102595740), (3, 68397160), (4, 51297870), (5, 41038296), (6, 34198580), (8, 25648935), (10, 20519148), (12, 17099290), (13, 15783960), (15, 13679432), (20, 10259574), (24, 8549645), (26, 7891980), (30, 6839716), (31, 6619080), (39, 5261320), (40, 5129787), (52, 3945990), (60, 3419858), (62, 3309540), (65, 3156792), (78, 2630660), (93, 2206360), (104, 1972995), (120, 1709929), (124, 1654770), (130, 1578396), (155, 1323816), (156, 1315330), (186, 1103180), (195, 1052264), (248, 827385), (260, 789198), (310, 661908), (312, 657665), (372, 551590), (390, 526132), (403, 509160), (465, 441272), (520, 394599), (620, 330954), (744, 275795), (780, 263066), (806, 254580), (930, 220636), (1209, 169720), (1240, 165477), (1560, 131533), (1612, 127290), (1860, 110318), (2015, 101832), (2418, 84860), (3224, 63645), (3720, 55159), (4030, 50916), (4243, 48360), (4836, 42430), (6045, 33944), (8060, 25458), (8486, 24180), (9672, 21215), (12090, 16972), (12729, 16120)]