155408968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 371226240

約数和(自身を除く): 215817272

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 61, 68, 88, 104, 122, 131, 136, 143, 187, 221, 244, 262, 286, 374, 442, 488, 524, 572, 671, 748, 793, 884, 1037, 1048, 1144, 1342, 1441, 1496, 1586, 1703, 1768, 2074, 2227, 2431, 2684, 2882, 3172, 3406, 4148, 4454, 4862, 5368, 5764, 6344, 6812, 7991, 8296, 8723, 8908, 9724, 11407, 11528, 13481, 13624, 15982, 17446, 17816, 18733, 19448, 22814, 24497, 26962, 28951, 31964, 34892, 37466, 45628, 48994, 53924, 57902, 63928, 69784, 74932, 87901, 91256, 97988, 103883, 107848, 115804, 135847, 148291, 149864, 175802, 195976, 207766, 231608, 271694, 296582, 318461, 351604, 415532, 543388, 593164, 636922, 703208, 831064, 1086776, 1142713, 1186328, 1273844, 1494317, 1766011, 2285426, 2547688, 2988634, 3532022, 4570852, 5977268, 7064044, 9141704, 11954536, 14128088, 19426121, 38852242, 77704484, 155408968]

約数ペア:

[(1, 155408968), (2, 77704484), (4, 38852242), (8, 19426121), (11, 14128088), (13, 11954536), (17, 9141704), (22, 7064044), (26, 5977268), (34, 4570852), (44, 3532022), (52, 2988634), (61, 2547688), (68, 2285426), (88, 1766011), (104, 1494317), (122, 1273844), (131, 1186328), (136, 1142713), (143, 1086776), (187, 831064), (221, 703208), (244, 636922), (262, 593164), (286, 543388), (374, 415532), (442, 351604), (488, 318461), (524, 296582), (572, 271694), (671, 231608), (748, 207766), (793, 195976), (884, 175802), (1037, 149864), (1048, 148291), (1144, 135847), (1342, 115804), (1441, 107848), (1496, 103883), (1586, 97988), (1703, 91256), (1768, 87901), (2074, 74932), (2227, 69784), (2431, 63928), (2684, 57902), (2882, 53924), (3172, 48994), (3406, 45628), (4148, 37466), (4454, 34892), (4862, 31964), (5368, 28951), (5764, 26962), (6344, 24497), (6812, 22814), (7991, 19448), (8296, 18733), (8723, 17816), (8908, 17446), (9724, 15982), (11407, 13624), (11528, 13481)]