121315560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 376012800

約数和(自身を除く): 254697240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 79, 120, 134, 158, 191, 201, 237, 268, 316, 335, 382, 395, 402, 474, 536, 573, 632, 670, 764, 790, 804, 948, 955, 1005, 1146, 1185, 1340, 1528, 1580, 1608, 1896, 1910, 2010, 2292, 2370, 2680, 2865, 3160, 3820, 4020, 4584, 4740, 5293, 5730, 7640, 8040, 9480, 10586, 11460, 12797, 15089, 15879, 21172, 22920, 25594, 26465, 30178, 31758, 38391, 42344, 45267, 51188, 52930, 60356, 63516, 63985, 75445, 76782, 79395, 90534, 102376, 105860, 120712, 127032, 127970, 150890, 153564, 158790, 181068, 191955, 211720, 226335, 255940, 301780, 307128, 317580, 362136, 383910, 452670, 511880, 603560, 635160, 767820, 905340, 1010963, 1535640, 1810680, 2021926, 3032889, 4043852, 5054815, 6065778, 8087704, 10109630, 12131556, 15164445, 20219260, 24263112, 30328890, 40438520, 60657780, 121315560]

約数ペア:

[(1, 121315560), (2, 60657780), (3, 40438520), (4, 30328890), (5, 24263112), (6, 20219260), (8, 15164445), (10, 12131556), (12, 10109630), (15, 8087704), (20, 6065778), (24, 5054815), (30, 4043852), (40, 3032889), (60, 2021926), (67, 1810680), (79, 1535640), (120, 1010963), (134, 905340), (158, 767820), (191, 635160), (201, 603560), (237, 511880), (268, 452670), (316, 383910), (335, 362136), (382, 317580), (395, 307128), (402, 301780), (474, 255940), (536, 226335), (573, 211720), (632, 191955), (670, 181068), (764, 158790), (790, 153564), (804, 150890), (948, 127970), (955, 127032), (1005, 120712), (1146, 105860), (1185, 102376), (1340, 90534), (1528, 79395), (1580, 76782), (1608, 75445), (1896, 63985), (1910, 63516), (2010, 60356), (2292, 52930), (2370, 51188), (2680, 45267), (2865, 42344), (3160, 38391), (3820, 31758), (4020, 30178), (4584, 26465), (4740, 25594), (5293, 22920), (5730, 21172), (7640, 15879), (8040, 15089), (9480, 12797), (10586, 11460)]