490505520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:707

約数の個数: 160

約数和(自身を含む): 1610611200

約数和(自身を除く): 1120105680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 263, 285, 304, 380, 409, 456, 526, 570, 760, 789, 818, 912, 1052, 1140, 1227, 1315, 1520, 1578, 1636, 2045, 2104, 2280, 2454, 2630, 3156, 3272, 3945, 4090, 4208, 4560, 4908, 4997, 5260, 6135, 6312, 6544, 7771, 7890, 8180, 9816, 9994, 10520, 12270, 12624, 14991, 15542, 15780, 16360, 19632, 19988, 21040, 23313, 24540, 24985, 29982, 31084, 31560, 32720, 38855, 39976, 46626, 49080, 49970, 59964, 62168, 63120, 74955, 77710, 79952, 93252, 98160, 99940, 107567, 116565, 119928, 124336, 149910, 155420, 186504, 199880, 215134, 233130, 239856, 299820, 310840, 322701, 373008, 399760, 430268, 466260, 537835, 599640, 621680, 645402, 860536, 932520, 1075670, 1199280, 1290804, 1613505, 1721072, 1865040, 2043773, 2151340, 2581608, 3227010, 4087546, 4302680, 5163216, 6131319, 6454020, 8175092, 8605360, 10218865, 12262638, 12908040, 16350184, 20437730, 24525276, 25816080, 30656595, 32700368, 40875460, 49050552, 61313190, 81750920, 98101104, 122626380, 163501840, 245252760, 490505520]

約数ペア:

[(1, 490505520), (2, 245252760), (3, 163501840), (4, 122626380), (5, 98101104), (6, 81750920), (8, 61313190), (10, 49050552), (12, 40875460), (15, 32700368), (16, 30656595), (19, 25816080), (20, 24525276), (24, 20437730), (30, 16350184), (38, 12908040), (40, 12262638), (48, 10218865), (57, 8605360), (60, 8175092), (76, 6454020), (80, 6131319), (95, 5163216), (114, 4302680), (120, 4087546), (152, 3227010), (190, 2581608), (228, 2151340), (240, 2043773), (263, 1865040), (285, 1721072), (304, 1613505), (380, 1290804), (409, 1199280), (456, 1075670), (526, 932520), (570, 860536), (760, 645402), (789, 621680), (818, 599640), (912, 537835), (1052, 466260), (1140, 430268), (1227, 399760), (1315, 373008), (1520, 322701), (1578, 310840), (1636, 299820), (2045, 239856), (2104, 233130), (2280, 215134), (2454, 199880), (2630, 186504), (3156, 155420), (3272, 149910), (3945, 124336), (4090, 119928), (4208, 116565), (4560, 107567), (4908, 99940), (4997, 98160), (5260, 93252), (6135, 79952), (6312, 77710), (6544, 74955), (7771, 63120), (7890, 62168), (8180, 59964), (9816, 49970), (9994, 49080), (10520, 46626), (12270, 39976), (12624, 38855), (14991, 32720), (15542, 31560), (15780, 31084), (16360, 29982), (19632, 24985), (19988, 24540), (21040, 23313)]