491603580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 288

約数和(自身を含む): 1725954048

約数和(自身を除く): 1234350468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 243, 251, 260, 270, 279, 310, 324, 351, 372, 390, 403, 405, 465, 468, 486, 502, 540, 558, 585, 620, 702, 753, 780, 806, 810, 837, 930, 972, 1004, 1053, 1116, 1170, 1209, 1215, 1255, 1395, 1404, 1506, 1612, 1620, 1674, 1755, 1860, 2015, 2106, 2259, 2340, 2418, 2430, 2510, 2511, 2790, 3012, 3159, 3263, 3348, 3510, 3627, 3765, 4030, 4185, 4212, 4518, 4836, 4860, 5020, 5022, 5265, 5580, 6045, 6318, 6526, 6777, 7020, 7254, 7530, 7533, 7781, 8060, 8370, 9036, 9789, 10044, 10530, 10881, 11295, 12090, 12555, 12636, 13052, 13554, 14508, 15060, 15066, 15562, 15795, 16315, 16740, 18135, 19578, 20331, 21060, 21762, 22590, 23343, 24180, 25110, 27108, 29367, 30132, 31124, 31590, 32630, 32643, 33885, 36270, 37665, 38905, 39156, 40662, 43524, 45180, 46686, 48945, 50220, 54405, 58734, 60993, 63180, 65260, 65286, 67770, 70029, 72540, 75330, 77810, 81324, 88101, 93372, 97890, 97929, 101153, 101655, 108810, 116715, 117468, 121986, 130572, 135540, 140058, 146835, 150660, 155620, 163215, 176202, 195780, 195858, 202306, 203310, 210087, 217620, 233430, 243972, 264303, 280116, 293670, 303459, 304965, 326430, 350145, 352404, 391716, 404612, 406620, 420174, 440505, 466860, 489645, 505765, 528606, 587340, 606918, 609930, 630261, 652860, 700290, 792909, 840348, 881010, 910377, 979290, 1011530, 1050435, 1057212, 1213836, 1219860, 1260522, 1321515, 1400580, 1517295, 1585818, 1762020, 1820754, 1890783, 1958580, 2023060, 2100870, 2521044, 2643030, 2731131, 3034590, 3151305, 3171636, 3641508, 3781566, 3964545, 4201740, 4551885, 5286060, 5462262, 6069180, 6302610, 7563132, 7929090, 8193393, 9103770, 9453915, 10924524, 12605220, 13655655, 15858180, 16386786, 18207540, 18907830, 24580179, 27311310, 32773572, 37815660, 40966965, 49160358, 54622620, 81933930, 98320716, 122900895, 163867860, 245801790, 491603580]

約数ペア:

[(1, 491603580), (2, 245801790), (3, 163867860), (4, 122900895), (5, 98320716), (6, 81933930), (9, 54622620), (10, 49160358), (12, 40966965), (13, 37815660), (15, 32773572), (18, 27311310), (20, 24580179), (26, 18907830), (27, 18207540), (30, 16386786), (31, 15858180), (36, 13655655), (39, 12605220), (45, 10924524), (52, 9453915), (54, 9103770), (60, 8193393), (62, 7929090), (65, 7563132), (78, 6302610), (81, 6069180), (90, 5462262), (93, 5286060), (108, 4551885), (117, 4201740), (124, 3964545), (130, 3781566), (135, 3641508), (155, 3171636), (156, 3151305), (162, 3034590), (180, 2731131), (186, 2643030), (195, 2521044), (234, 2100870), (243, 2023060), (251, 1958580), (260, 1890783), (270, 1820754), (279, 1762020), (310, 1585818), (324, 1517295), (351, 1400580), (372, 1321515), (390, 1260522), (403, 1219860), (405, 1213836), (465, 1057212), (468, 1050435), (486, 1011530), (502, 979290), (540, 910377), (558, 881010), (585, 840348), (620, 792909), (702, 700290), (753, 652860), (780, 630261), (806, 609930), (810, 606918), (837, 587340), (930, 528606), (972, 505765), (1004, 489645), (1053, 466860), (1116, 440505), (1170, 420174), (1209, 406620), (1215, 404612), (1255, 391716), (1395, 352404), (1404, 350145), (1506, 326430), (1612, 304965), (1620, 303459), (1674, 293670), (1755, 280116), (1860, 264303), (2015, 243972), (2106, 233430), (2259, 217620), (2340, 210087), (2418, 203310), (2430, 202306), (2510, 195858), (2511, 195780), (2790, 176202), (3012, 163215), (3159, 155620), (3263, 150660), (3348, 146835), (3510, 140058), (3627, 135540), (3765, 130572), (4030, 121986), (4185, 117468), (4212, 116715), (4518, 108810), (4836, 101655), (4860, 101153), (5020, 97929), (5022, 97890), (5265, 93372), (5580, 88101), (6045, 81324), (6318, 77810), (6526, 75330), (6777, 72540), (7020, 70029), (7254, 67770), (7530, 65286), (7533, 65260), (7781, 63180), (8060, 60993), (8370, 58734), (9036, 54405), (9789, 50220), (10044, 48945), (10530, 46686), (10881, 45180), (11295, 43524), (12090, 40662), (12555, 39156), (12636, 38905), (13052, 37665), (13554, 36270), (14508, 33885), (15060, 32643), (15066, 32630), (15562, 31590), (15795, 31124), (16315, 30132), (16740, 29367), (18135, 27108), (19578, 25110), (20331, 24180), (21060, 23343), (21762, 22590)]