20127856560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{91457}}^1$

素因数の和:91611

約数の個数: 160

約数和(自身を含む): 71855258112

約数和(自身を除く): 51727401552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 240, 262, 280, 336, 393, 420, 524, 560, 655, 786, 840, 917, 1048, 1310, 1572, 1680, 1834, 1965, 2096, 2620, 2751, 3144, 3668, 3930, 4585, 5240, 5502, 6288, 7336, 7860, 9170, 10480, 11004, 13755, 14672, 15720, 18340, 22008, 27510, 31440, 36680, 44016, 55020, 73360, 91457, 110040, 182914, 220080, 274371, 365828, 457285, 548742, 640199, 731656, 914570, 1097484, 1280398, 1371855, 1463312, 1829140, 1920597, 2194968, 2560796, 2743710, 3200995, 3658280, 3841194, 4389936, 5121592, 5487420, 6401990, 7316560, 7682388, 9602985, 10243184, 10974840, 11980867, 12803980, 15364776, 19205970, 21949680, 23961734, 25607960, 30729552, 35942601, 38411940, 47923468, 51215920, 59904335, 71885202, 76823880, 83866069, 95846936, 119808670, 143770404, 153647760, 167732138, 179713005, 191693872, 239617340, 251598207, 287540808, 335464276, 359426010, 419330345, 479234680, 503196414, 575081616, 670928552, 718852020, 838660690, 958469360, 1006392828, 1257991035, 1341857104, 1437704040, 1677321380, 2012785656, 2515982070, 2875408080, 3354642760, 4025571312, 5031964140, 6709285520, 10063928280, 20127856560]

約数ペア:

[(1, 20127856560), (2, 10063928280), (3, 6709285520), (4, 5031964140), (5, 4025571312), (6, 3354642760), (7, 2875408080), (8, 2515982070), (10, 2012785656), (12, 1677321380), (14, 1437704040), (15, 1341857104), (16, 1257991035), (20, 1006392828), (21, 958469360), (24, 838660690), (28, 718852020), (30, 670928552), (35, 575081616), (40, 503196414), (42, 479234680), (48, 419330345), (56, 359426010), (60, 335464276), (70, 287540808), (80, 251598207), (84, 239617340), (105, 191693872), (112, 179713005), (120, 167732138), (131, 153647760), (140, 143770404), (168, 119808670), (210, 95846936), (240, 83866069), (262, 76823880), (280, 71885202), (336, 59904335), (393, 51215920), (420, 47923468), (524, 38411940), (560, 35942601), (655, 30729552), (786, 25607960), (840, 23961734), (917, 21949680), (1048, 19205970), (1310, 15364776), (1572, 12803980), (1680, 11980867), (1834, 10974840), (1965, 10243184), (2096, 9602985), (2620, 7682388), (2751, 7316560), (3144, 6401990), (3668, 5487420), (3930, 5121592), (4585, 4389936), (5240, 3841194), (5502, 3658280), (6288, 3200995), (7336, 2743710), (7860, 2560796), (9170, 2194968), (10480, 1920597), (11004, 1829140), (13755, 1463312), (14672, 1371855), (15720, 1280398), (18340, 1097484), (22008, 914570), (27510, 731656), (31440, 640199), (36680, 548742), (44016, 457285), (55020, 365828), (73360, 274371), (91457, 220080), (110040, 182914)]