71381240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 189604800

約数和(自身を除く): 118223560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 280, 316, 392, 395, 461, 490, 553, 632, 790, 922, 980, 1106, 1580, 1844, 1960, 2212, 2305, 2765, 3160, 3227, 3688, 3871, 4424, 4610, 5530, 6454, 7742, 9220, 11060, 12908, 15484, 16135, 18440, 19355, 22120, 22589, 25816, 30968, 32270, 36419, 38710, 45178, 64540, 72838, 77420, 90356, 112945, 129080, 145676, 154840, 180712, 182095, 225890, 254933, 291352, 364190, 451780, 509866, 728380, 903560, 1019732, 1274665, 1456760, 1784531, 2039464, 2549330, 3569062, 5098660, 7138124, 8922655, 10197320, 14276248, 17845310, 35690620, 71381240]

約数ペア:

[(1, 71381240), (2, 35690620), (4, 17845310), (5, 14276248), (7, 10197320), (8, 8922655), (10, 7138124), (14, 5098660), (20, 3569062), (28, 2549330), (35, 2039464), (40, 1784531), (49, 1456760), (56, 1274665), (70, 1019732), (79, 903560), (98, 728380), (140, 509866), (158, 451780), (196, 364190), (245, 291352), (280, 254933), (316, 225890), (392, 182095), (395, 180712), (461, 154840), (490, 145676), (553, 129080), (632, 112945), (790, 90356), (922, 77420), (980, 72838), (1106, 64540), (1580, 45178), (1844, 38710), (1960, 36419), (2212, 32270), (2305, 30968), (2765, 25816), (3160, 22589), (3227, 22120), (3688, 19355), (3871, 18440), (4424, 16135), (4610, 15484), (5530, 12908), (6454, 11060), (7742, 9220)]