42389820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 142571520

約数和(自身を除く): 100181700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 132, 158, 165, 180, 198, 220, 237, 271, 316, 330, 395, 396, 474, 495, 542, 660, 711, 790, 813, 869, 948, 990, 1084, 1185, 1355, 1422, 1580, 1626, 1738, 1980, 2370, 2439, 2607, 2710, 2844, 2981, 3252, 3476, 3555, 4065, 4345, 4740, 4878, 5214, 5420, 5962, 7110, 7821, 8130, 8690, 8943, 9756, 10428, 11924, 12195, 13035, 14220, 14905, 15642, 16260, 17380, 17886, 21409, 24390, 26070, 26829, 29810, 31284, 35772, 39105, 42818, 44715, 48780, 52140, 53658, 59620, 64227, 78210, 85636, 89430, 107045, 107316, 128454, 134145, 156420, 178860, 192681, 214090, 235499, 256908, 268290, 321135, 385362, 428180, 470998, 536580, 642270, 706497, 770724, 941996, 963405, 1177495, 1284540, 1412994, 1926810, 2119491, 2354990, 2825988, 3532485, 3853620, 4238982, 4709980, 7064970, 8477964, 10597455, 14129940, 21194910, 42389820]

約数ペア:

[(1, 42389820), (2, 21194910), (3, 14129940), (4, 10597455), (5, 8477964), (6, 7064970), (9, 4709980), (10, 4238982), (11, 3853620), (12, 3532485), (15, 2825988), (18, 2354990), (20, 2119491), (22, 1926810), (30, 1412994), (33, 1284540), (36, 1177495), (44, 963405), (45, 941996), (55, 770724), (60, 706497), (66, 642270), (79, 536580), (90, 470998), (99, 428180), (110, 385362), (132, 321135), (158, 268290), (165, 256908), (180, 235499), (198, 214090), (220, 192681), (237, 178860), (271, 156420), (316, 134145), (330, 128454), (395, 107316), (396, 107045), (474, 89430), (495, 85636), (542, 78210), (660, 64227), (711, 59620), (790, 53658), (813, 52140), (869, 48780), (948, 44715), (990, 42818), (1084, 39105), (1185, 35772), (1355, 31284), (1422, 29810), (1580, 26829), (1626, 26070), (1738, 24390), (1980, 21409), (2370, 17886), (2439, 17380), (2607, 16260), (2710, 15642), (2844, 14905), (2981, 14220), (3252, 13035), (3476, 12195), (3555, 11924), (4065, 10428), (4345, 9756), (4740, 8943), (4878, 8690), (5214, 8130), (5420, 7821), (5962, 7110)]