42254730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 130867200

約数和(自身を除く): 88612470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 79, 90, 105, 126, 135, 158, 189, 210, 237, 270, 283, 315, 378, 395, 474, 553, 566, 630, 711, 790, 849, 945, 1106, 1185, 1415, 1422, 1659, 1698, 1890, 1981, 2133, 2370, 2547, 2765, 2830, 3318, 3555, 3962, 4245, 4266, 4977, 5094, 5530, 5943, 7110, 7641, 8295, 8490, 9905, 9954, 10665, 11886, 12735, 14931, 15282, 16590, 17829, 19810, 21330, 22357, 24885, 25470, 29715, 29862, 35658, 38205, 44714, 49770, 53487, 59430, 67071, 74655, 76410, 89145, 106974, 111785, 134142, 149310, 156499, 178290, 201213, 223570, 267435, 312998, 335355, 402426, 469497, 534870, 603639, 670710, 782495, 938994, 1006065, 1207278, 1408491, 1564990, 2012130, 2347485, 2816982, 3018195, 4225473, 4694970, 6036390, 7042455, 8450946, 14084910, 21127365, 42254730]

約数ペア:

[(1, 42254730), (2, 21127365), (3, 14084910), (5, 8450946), (6, 7042455), (7, 6036390), (9, 4694970), (10, 4225473), (14, 3018195), (15, 2816982), (18, 2347485), (21, 2012130), (27, 1564990), (30, 1408491), (35, 1207278), (42, 1006065), (45, 938994), (54, 782495), (63, 670710), (70, 603639), (79, 534870), (90, 469497), (105, 402426), (126, 335355), (135, 312998), (158, 267435), (189, 223570), (210, 201213), (237, 178290), (270, 156499), (283, 149310), (315, 134142), (378, 111785), (395, 106974), (474, 89145), (553, 76410), (566, 74655), (630, 67071), (711, 59430), (790, 53487), (849, 49770), (945, 44714), (1106, 38205), (1185, 35658), (1415, 29862), (1422, 29715), (1659, 25470), (1698, 24885), (1890, 22357), (1981, 21330), (2133, 19810), (2370, 17829), (2547, 16590), (2765, 15282), (2830, 14931), (3318, 12735), (3555, 11886), (3962, 10665), (4245, 9954), (4266, 9905), (4977, 8490), (5094, 8295), (5530, 7641), (5943, 7110)]