42638640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 160

約数和(自身を含む): 149133312

約数和(自身を除く): 106494672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 521, 528, 620, 660, 682, 744, 880, 930, 1023, 1042, 1240, 1320, 1364, 1488, 1563, 1705, 1860, 2046, 2084, 2480, 2605, 2640, 2728, 3126, 3410, 3720, 4092, 4168, 5115, 5210, 5456, 5731, 6252, 6820, 7440, 7815, 8184, 8336, 10230, 10420, 11462, 12504, 13640, 15630, 16151, 16368, 17193, 20460, 20840, 22924, 25008, 27280, 28655, 31260, 32302, 34386, 40920, 41680, 45848, 48453, 57310, 62520, 64604, 68772, 80755, 81840, 85965, 91696, 96906, 114620, 125040, 129208, 137544, 161510, 171930, 177661, 193812, 229240, 242265, 258416, 275088, 323020, 343860, 355322, 387624, 458480, 484530, 532983, 646040, 687720, 710644, 775248, 888305, 969060, 1065966, 1292080, 1375440, 1421288, 1776610, 1938120, 2131932, 2664915, 2842576, 3553220, 3876240, 4263864, 5329830, 7106440, 8527728, 10659660, 14212880, 21319320, 42638640]

約数ペア:

[(1, 42638640), (2, 21319320), (3, 14212880), (4, 10659660), (5, 8527728), (6, 7106440), (8, 5329830), (10, 4263864), (11, 3876240), (12, 3553220), (15, 2842576), (16, 2664915), (20, 2131932), (22, 1938120), (24, 1776610), (30, 1421288), (31, 1375440), (33, 1292080), (40, 1065966), (44, 969060), (48, 888305), (55, 775248), (60, 710644), (62, 687720), (66, 646040), (80, 532983), (88, 484530), (93, 458480), (110, 387624), (120, 355322), (124, 343860), (132, 323020), (155, 275088), (165, 258416), (176, 242265), (186, 229240), (220, 193812), (240, 177661), (248, 171930), (264, 161510), (310, 137544), (330, 129208), (341, 125040), (372, 114620), (440, 96906), (465, 91696), (496, 85965), (521, 81840), (528, 80755), (620, 68772), (660, 64604), (682, 62520), (744, 57310), (880, 48453), (930, 45848), (1023, 41680), (1042, 40920), (1240, 34386), (1320, 32302), (1364, 31260), (1488, 28655), (1563, 27280), (1705, 25008), (1860, 22924), (2046, 20840), (2084, 20460), (2480, 17193), (2605, 16368), (2640, 16151), (2728, 15630), (3126, 13640), (3410, 12504), (3720, 11462), (4092, 10420), (4168, 10230), (5115, 8336), (5210, 8184), (5456, 7815), (5731, 7440), (6252, 6820)]