2631720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 9757440

約数和(自身を除く): 7125720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 241, 260, 273, 280, 312, 364, 390, 420, 455, 482, 520, 546, 723, 728, 780, 840, 910, 964, 1092, 1205, 1365, 1446, 1560, 1687, 1820, 1928, 2184, 2410, 2730, 2892, 3133, 3374, 3615, 3640, 4820, 5061, 5460, 5784, 6266, 6748, 7230, 8435, 9399, 9640, 10122, 10920, 12532, 13496, 14460, 15665, 16870, 18798, 20244, 21931, 25064, 25305, 28920, 31330, 33740, 37596, 40488, 43862, 46995, 50610, 62660, 65793, 67480, 75192, 87724, 93990, 101220, 109655, 125320, 131586, 175448, 187980, 202440, 219310, 263172, 328965, 375960, 438620, 526344, 657930, 877240, 1315860, 2631720]

約数ペア:

[(1, 2631720), (2, 1315860), (3, 877240), (4, 657930), (5, 526344), (6, 438620), (7, 375960), (8, 328965), (10, 263172), (12, 219310), (13, 202440), (14, 187980), (15, 175448), (20, 131586), (21, 125320), (24, 109655), (26, 101220), (28, 93990), (30, 87724), (35, 75192), (39, 67480), (40, 65793), (42, 62660), (52, 50610), (56, 46995), (60, 43862), (65, 40488), (70, 37596), (78, 33740), (84, 31330), (91, 28920), (104, 25305), (105, 25064), (120, 21931), (130, 20244), (140, 18798), (156, 16870), (168, 15665), (182, 14460), (195, 13496), (210, 12532), (241, 10920), (260, 10122), (273, 9640), (280, 9399), (312, 8435), (364, 7230), (390, 6748), (420, 6266), (455, 5784), (482, 5460), (520, 5061), (546, 4820), (723, 3640), (728, 3615), (780, 3374), (840, 3133), (910, 2892), (964, 2730), (1092, 2410), (1205, 2184), (1365, 1928), (1446, 1820), (1560, 1687)]