1686820680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3181}}^1$

素因数の和:3692

約数の個数: 128

約数和(自身を含む): 5635958400

約数和(自身を除く): 3949137720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 491, 540, 982, 1080, 1473, 1964, 2455, 2946, 3181, 3928, 4419, 4910, 5892, 6362, 7365, 8838, 9543, 9820, 11784, 12724, 13257, 14730, 15905, 17676, 19086, 19640, 22095, 25448, 26514, 28629, 29460, 31810, 35352, 38172, 44190, 47715, 53028, 57258, 58920, 63620, 66285, 76344, 85887, 88380, 95430, 106056, 114516, 127240, 132570, 143145, 171774, 176760, 190860, 229032, 265140, 286290, 343548, 381720, 429435, 530280, 572580, 687096, 858870, 1145160, 1561871, 1717740, 3123742, 3435480, 4685613, 6247484, 7809355, 9371226, 12494968, 14056839, 15618710, 18742452, 23428065, 28113678, 31237420, 37484904, 42170517, 46856130, 56227356, 62474840, 70284195, 84341034, 93712260, 112454712, 140568390, 168682068, 187424520, 210852585, 281136780, 337364136, 421705170, 562273560, 843410340, 1686820680]

約数ペア:

[(1, 1686820680), (2, 843410340), (3, 562273560), (4, 421705170), (5, 337364136), (6, 281136780), (8, 210852585), (9, 187424520), (10, 168682068), (12, 140568390), (15, 112454712), (18, 93712260), (20, 84341034), (24, 70284195), (27, 62474840), (30, 56227356), (36, 46856130), (40, 42170517), (45, 37484904), (54, 31237420), (60, 28113678), (72, 23428065), (90, 18742452), (108, 15618710), (120, 14056839), (135, 12494968), (180, 9371226), (216, 7809355), (270, 6247484), (360, 4685613), (491, 3435480), (540, 3123742), (982, 1717740), (1080, 1561871), (1473, 1145160), (1964, 858870), (2455, 687096), (2946, 572580), (3181, 530280), (3928, 429435), (4419, 381720), (4910, 343548), (5892, 286290), (6362, 265140), (7365, 229032), (8838, 190860), (9543, 176760), (9820, 171774), (11784, 143145), (12724, 132570), (13257, 127240), (14730, 114516), (15905, 106056), (17676, 95430), (19086, 88380), (19640, 85887), (22095, 76344), (25448, 66285), (26514, 63620), (28629, 58920), (29460, 57258), (31810, 53028), (35352, 47715), (38172, 44190)]