81796260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 192

約数和(自身を含む): 287207424

約数和(自身を除く): 205411164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 105, 130, 140, 142, 156, 182, 195, 210, 211, 213, 260, 273, 284, 355, 364, 390, 420, 422, 426, 455, 497, 546, 633, 710, 780, 844, 852, 910, 923, 994, 1055, 1065, 1092, 1266, 1365, 1420, 1477, 1491, 1820, 1846, 1988, 2110, 2130, 2485, 2532, 2730, 2743, 2769, 2954, 2982, 3165, 3692, 4220, 4260, 4431, 4615, 4970, 5460, 5486, 5538, 5908, 5964, 6330, 6461, 7385, 7455, 8229, 8862, 9230, 9940, 10972, 11076, 12660, 12922, 13715, 13845, 14770, 14910, 14981, 16458, 17724, 18460, 19201, 19383, 22155, 25844, 27430, 27690, 29540, 29820, 29962, 32305, 32916, 38402, 38766, 41145, 44310, 44943, 54860, 55380, 57603, 59924, 64610, 74905, 76804, 77532, 82290, 88620, 89886, 96005, 96915, 104867, 115206, 129220, 149810, 164580, 179772, 192010, 193830, 194753, 209734, 224715, 230412, 288015, 299620, 314601, 384020, 387660, 389506, 419468, 449430, 524335, 576030, 584259, 629202, 779012, 898860, 973765, 1048670, 1152060, 1168518, 1258404, 1363271, 1573005, 1947530, 2097340, 2337036, 2726542, 2921295, 3146010, 3895060, 4089813, 5453084, 5842590, 6292020, 6816355, 8179626, 11685180, 13632710, 16359252, 20449065, 27265420, 40898130, 81796260]

約数ペア:

[(1, 81796260), (2, 40898130), (3, 27265420), (4, 20449065), (5, 16359252), (6, 13632710), (7, 11685180), (10, 8179626), (12, 6816355), (13, 6292020), (14, 5842590), (15, 5453084), (20, 4089813), (21, 3895060), (26, 3146010), (28, 2921295), (30, 2726542), (35, 2337036), (39, 2097340), (42, 1947530), (52, 1573005), (60, 1363271), (65, 1258404), (70, 1168518), (71, 1152060), (78, 1048670), (84, 973765), (91, 898860), (105, 779012), (130, 629202), (140, 584259), (142, 576030), (156, 524335), (182, 449430), (195, 419468), (210, 389506), (211, 387660), (213, 384020), (260, 314601), (273, 299620), (284, 288015), (355, 230412), (364, 224715), (390, 209734), (420, 194753), (422, 193830), (426, 192010), (455, 179772), (497, 164580), (546, 149810), (633, 129220), (710, 115206), (780, 104867), (844, 96915), (852, 96005), (910, 89886), (923, 88620), (994, 82290), (1055, 77532), (1065, 76804), (1092, 74905), (1266, 64610), (1365, 59924), (1420, 57603), (1477, 55380), (1491, 54860), (1820, 44943), (1846, 44310), (1988, 41145), (2110, 38766), (2130, 38402), (2485, 32916), (2532, 32305), (2730, 29962), (2743, 29820), (2769, 29540), (2954, 27690), (2982, 27430), (3165, 25844), (3692, 22155), (4220, 19383), (4260, 19201), (4431, 18460), (4615, 17724), (4970, 16458), (5460, 14981), (5486, 14910), (5538, 14770), (5908, 13845), (5964, 13715), (6330, 12922), (6461, 12660), (7385, 11076), (7455, 10972), (8229, 9940), (8862, 9230)]