312546780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19081}}^1$

素因数の和:19116

約数の個数: 144

約数和(自身を含む): 1166902464

約数和(自身を除く): 854355684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 19081, 38162, 57243, 76324, 95405, 114486, 133567, 171729, 190810, 228972, 248053, 267134, 286215, 343458, 381620, 400701, 496106, 534268, 572430, 667835, 686916, 744159, 801402, 858645, 992212, 1144860, 1202103, 1240265, 1335670, 1488318, 1602804, 1717290, 1736371, 2003505, 2232477, 2404206, 2480530, 2671340, 2976636, 3434580, 3472742, 3720795, 4007010, 4464954, 4808412, 4961060, 5209113, 6010515, 6945484, 7441590, 8014020, 8681855, 8929908, 10418226, 11162385, 12021030, 14883180, 15627339, 17363710, 20836452, 22324770, 24042060, 26045565, 31254678, 34727420, 44649540, 52091130, 62509356, 78136695, 104182260, 156273390, 312546780]

約数ペア:

[(1, 312546780), (2, 156273390), (3, 104182260), (4, 78136695), (5, 62509356), (6, 52091130), (7, 44649540), (9, 34727420), (10, 31254678), (12, 26045565), (13, 24042060), (14, 22324770), (15, 20836452), (18, 17363710), (20, 15627339), (21, 14883180), (26, 12021030), (28, 11162385), (30, 10418226), (35, 8929908), (36, 8681855), (39, 8014020), (42, 7441590), (45, 6945484), (52, 6010515), (60, 5209113), (63, 4961060), (65, 4808412), (70, 4464954), (78, 4007010), (84, 3720795), (90, 3472742), (91, 3434580), (105, 2976636), (117, 2671340), (126, 2480530), (130, 2404206), (140, 2232477), (156, 2003505), (180, 1736371), (182, 1717290), (195, 1602804), (210, 1488318), (234, 1335670), (252, 1240265), (260, 1202103), (273, 1144860), (315, 992212), (364, 858645), (390, 801402), (420, 744159), (455, 686916), (468, 667835), (546, 572430), (585, 534268), (630, 496106), (780, 400701), (819, 381620), (910, 343458), (1092, 286215), (1170, 267134), (1260, 248053), (1365, 228972), (1638, 190810), (1820, 171729), (2340, 133567), (2730, 114486), (3276, 95405), (4095, 76324), (5460, 57243), (8190, 38162), (16380, 19081)]