491324040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:804

約数の個数: 192

約数和(自身を含む): 1698840000

約数和(自身を除く): 1207515960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 109, 114, 120, 152, 171, 180, 190, 218, 228, 285, 327, 342, 360, 380, 436, 456, 545, 570, 654, 659, 684, 760, 855, 872, 981, 1090, 1140, 1308, 1318, 1368, 1635, 1710, 1962, 1977, 2071, 2180, 2280, 2616, 2636, 3270, 3295, 3420, 3924, 3954, 4142, 4360, 4905, 5272, 5931, 6213, 6540, 6590, 6840, 7848, 7908, 8284, 9810, 9885, 10355, 11862, 12426, 12521, 13080, 13180, 15816, 16568, 18639, 19620, 19770, 20710, 23724, 24852, 25042, 26360, 29655, 31065, 37278, 37563, 39240, 39540, 41420, 47448, 49704, 50084, 59310, 62130, 62605, 71831, 74556, 75126, 79080, 82840, 93195, 100168, 112689, 118620, 124260, 125210, 143662, 149112, 150252, 186390, 187815, 215493, 225378, 237240, 248520, 250420, 287324, 300504, 359155, 372780, 375630, 430986, 450756, 500840, 563445, 574648, 646479, 718310, 745560, 751260, 861972, 901512, 1077465, 1126890, 1292958, 1364789, 1436620, 1502520, 1723944, 2154930, 2253780, 2585916, 2729578, 2873240, 3232395, 4094367, 4309860, 4507560, 5171832, 5459156, 6464790, 6823945, 8188734, 8619720, 10918312, 12283101, 12929580, 13647890, 16377468, 20471835, 24566202, 25859160, 27295780, 32754936, 40943670, 49132404, 54591560, 61415505, 81887340, 98264808, 122831010, 163774680, 245662020, 491324040]

約数ペア:

[(1, 491324040), (2, 245662020), (3, 163774680), (4, 122831010), (5, 98264808), (6, 81887340), (8, 61415505), (9, 54591560), (10, 49132404), (12, 40943670), (15, 32754936), (18, 27295780), (19, 25859160), (20, 24566202), (24, 20471835), (30, 16377468), (36, 13647890), (38, 12929580), (40, 12283101), (45, 10918312), (57, 8619720), (60, 8188734), (72, 6823945), (76, 6464790), (90, 5459156), (95, 5171832), (109, 4507560), (114, 4309860), (120, 4094367), (152, 3232395), (171, 2873240), (180, 2729578), (190, 2585916), (218, 2253780), (228, 2154930), (285, 1723944), (327, 1502520), (342, 1436620), (360, 1364789), (380, 1292958), (436, 1126890), (456, 1077465), (545, 901512), (570, 861972), (654, 751260), (659, 745560), (684, 718310), (760, 646479), (855, 574648), (872, 563445), (981, 500840), (1090, 450756), (1140, 430986), (1308, 375630), (1318, 372780), (1368, 359155), (1635, 300504), (1710, 287324), (1962, 250420), (1977, 248520), (2071, 237240), (2180, 225378), (2280, 215493), (2616, 187815), (2636, 186390), (3270, 150252), (3295, 149112), (3420, 143662), (3924, 125210), (3954, 124260), (4142, 118620), (4360, 112689), (4905, 100168), (5272, 93195), (5931, 82840), (6213, 79080), (6540, 75126), (6590, 74556), (6840, 71831), (7848, 62605), (7908, 62130), (8284, 59310), (9810, 50084), (9885, 49704), (10355, 47448), (11862, 41420), (12426, 39540), (12521, 39240), (13080, 37563), (13180, 37278), (15816, 31065), (16568, 29655), (18639, 26360), (19620, 25042), (19770, 24852), (20710, 23724)]