490356180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 240

約数和(自身を含む): 1646568000

約数和(自身を除く): 1156211820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 89, 90, 95, 108, 114, 135, 162, 171, 178, 179, 180, 190, 228, 267, 270, 285, 324, 342, 356, 358, 380, 405, 445, 513, 534, 537, 540, 570, 684, 716, 801, 810, 855, 890, 895, 1026, 1068, 1074, 1140, 1335, 1539, 1602, 1611, 1620, 1691, 1710, 1780, 1790, 2052, 2148, 2403, 2565, 2670, 2685, 3078, 3204, 3222, 3382, 3401, 3420, 3580, 4005, 4806, 4833, 5073, 5130, 5340, 5370, 6156, 6444, 6764, 6802, 7209, 7695, 8010, 8055, 8455, 9612, 9666, 10146, 10203, 10260, 10740, 12015, 13604, 14418, 14499, 15219, 15390, 15931, 16020, 16110, 16910, 17005, 19332, 20292, 20406, 24030, 24165, 25365, 28836, 28998, 30438, 30609, 30780, 31862, 32220, 33820, 34010, 36045, 40812, 45657, 47793, 48060, 48330, 50730, 51015, 57996, 60876, 61218, 63724, 68020, 72090, 72495, 76095, 79655, 91314, 91827, 95586, 96660, 101460, 102030, 122436, 136971, 143379, 144180, 144990, 152190, 153045, 159310, 182628, 183654, 191172, 204060, 228285, 238965, 273942, 275481, 286758, 289980, 302689, 304380, 306090, 318620, 367308, 430137, 456570, 459135, 477930, 547884, 550962, 573516, 605378, 612180, 684855, 716895, 860274, 908067, 913140, 918270, 955860, 1101924, 1210756, 1290411, 1369710, 1377405, 1433790, 1513445, 1720548, 1816134, 1836540, 2150685, 2580822, 2724201, 2739420, 2754810, 2867580, 3026890, 3632268, 4301370, 4540335, 5161644, 5448402, 5509620, 6053780, 6452055, 8172603, 8602740, 9080670, 10896804, 12904110, 13621005, 16345206, 18161340, 24517809, 25808220, 27242010, 32690412, 40863015, 49035618, 54484020, 81726030, 98071236, 122589045, 163452060, 245178090, 490356180]

約数ペア:

[(1, 490356180), (2, 245178090), (3, 163452060), (4, 122589045), (5, 98071236), (6, 81726030), (9, 54484020), (10, 49035618), (12, 40863015), (15, 32690412), (18, 27242010), (19, 25808220), (20, 24517809), (27, 18161340), (30, 16345206), (36, 13621005), (38, 12904110), (45, 10896804), (54, 9080670), (57, 8602740), (60, 8172603), (76, 6452055), (81, 6053780), (89, 5509620), (90, 5448402), (95, 5161644), (108, 4540335), (114, 4301370), (135, 3632268), (162, 3026890), (171, 2867580), (178, 2754810), (179, 2739420), (180, 2724201), (190, 2580822), (228, 2150685), (267, 1836540), (270, 1816134), (285, 1720548), (324, 1513445), (342, 1433790), (356, 1377405), (358, 1369710), (380, 1290411), (405, 1210756), (445, 1101924), (513, 955860), (534, 918270), (537, 913140), (540, 908067), (570, 860274), (684, 716895), (716, 684855), (801, 612180), (810, 605378), (855, 573516), (890, 550962), (895, 547884), (1026, 477930), (1068, 459135), (1074, 456570), (1140, 430137), (1335, 367308), (1539, 318620), (1602, 306090), (1611, 304380), (1620, 302689), (1691, 289980), (1710, 286758), (1780, 275481), (1790, 273942), (2052, 238965), (2148, 228285), (2403, 204060), (2565, 191172), (2670, 183654), (2685, 182628), (3078, 159310), (3204, 153045), (3222, 152190), (3382, 144990), (3401, 144180), (3420, 143379), (3580, 136971), (4005, 122436), (4806, 102030), (4833, 101460), (5073, 96660), (5130, 95586), (5340, 91827), (5370, 91314), (6156, 79655), (6444, 76095), (6764, 72495), (6802, 72090), (7209, 68020), (7695, 63724), (8010, 61218), (8055, 60876), (8455, 57996), (9612, 51015), (9666, 50730), (10146, 48330), (10203, 48060), (10260, 47793), (10740, 45657), (12015, 40812), (13604, 36045), (14418, 34010), (14499, 33820), (15219, 32220), (15390, 31862), (15931, 30780), (16020, 30609), (16110, 30438), (16910, 28998), (17005, 28836), (19332, 25365), (20292, 24165), (20406, 24030)]