71478540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 271724544

約数和(自身を除く): 200246004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 47, 51, 60, 63, 68, 70, 71, 84, 85, 90, 94, 102, 105, 119, 126, 140, 141, 142, 153, 170, 180, 188, 204, 210, 213, 235, 238, 252, 255, 282, 284, 306, 315, 329, 340, 355, 357, 420, 423, 426, 470, 476, 497, 510, 564, 595, 612, 630, 639, 658, 705, 710, 714, 765, 799, 846, 852, 940, 987, 994, 1020, 1065, 1071, 1190, 1207, 1260, 1278, 1316, 1410, 1420, 1428, 1491, 1530, 1598, 1645, 1692, 1785, 1974, 1988, 2115, 2130, 2142, 2380, 2397, 2414, 2485, 2556, 2820, 2961, 2982, 3060, 3195, 3196, 3290, 3337, 3570, 3621, 3948, 3995, 4230, 4260, 4284, 4473, 4794, 4828, 4935, 4970, 5355, 5593, 5922, 5964, 6035, 6390, 6580, 6674, 7140, 7191, 7242, 7455, 7990, 8449, 8460, 8946, 9588, 9870, 9940, 10011, 10710, 10863, 11186, 11844, 11985, 12070, 12780, 13348, 14382, 14484, 14805, 14910, 15980, 16685, 16779, 16898, 17892, 18105, 19740, 20022, 21420, 21726, 22365, 22372, 23359, 23970, 24140, 25347, 27965, 28764, 29610, 29820, 30033, 33370, 33558, 33796, 35955, 36210, 40044, 42245, 43452, 44730, 46718, 47940, 50055, 50337, 50694, 54315, 55930, 56729, 59220, 60066, 66740, 67116, 70077, 71910, 72420, 76041, 83895, 84490, 89460, 93436, 100110, 100674, 101388, 108630, 111860, 113458, 116795, 120132, 126735, 140154, 143820, 150165, 152082, 167790, 168980, 170187, 200220, 201348, 210231, 217260, 226916, 233590, 251685, 253470, 280308, 283645, 300330, 304164, 335580, 340374, 350385, 380205, 397103, 420462, 467180, 503370, 506940, 510561, 567290, 600660, 680748, 700770, 760410, 794206, 840924, 850935, 1006740, 1021122, 1051155, 1134580, 1191309, 1401540, 1520820, 1588412, 1701870, 1985515, 2042244, 2102310, 2382618, 2552805, 3403740, 3573927, 3971030, 4204620, 4765236, 5105610, 5956545, 7147854, 7942060, 10211220, 11913090, 14295708, 17869635, 23826180, 35739270, 71478540]

約数ペア:

[(1, 71478540), (2, 35739270), (3, 23826180), (4, 17869635), (5, 14295708), (6, 11913090), (7, 10211220), (9, 7942060), (10, 7147854), (12, 5956545), (14, 5105610), (15, 4765236), (17, 4204620), (18, 3971030), (20, 3573927), (21, 3403740), (28, 2552805), (30, 2382618), (34, 2102310), (35, 2042244), (36, 1985515), (42, 1701870), (45, 1588412), (47, 1520820), (51, 1401540), (60, 1191309), (63, 1134580), (68, 1051155), (70, 1021122), (71, 1006740), (84, 850935), (85, 840924), (90, 794206), (94, 760410), (102, 700770), (105, 680748), (119, 600660), (126, 567290), (140, 510561), (141, 506940), (142, 503370), (153, 467180), (170, 420462), (180, 397103), (188, 380205), (204, 350385), (210, 340374), (213, 335580), (235, 304164), (238, 300330), (252, 283645), (255, 280308), (282, 253470), (284, 251685), (306, 233590), (315, 226916), (329, 217260), (340, 210231), (355, 201348), (357, 200220), (420, 170187), (423, 168980), (426, 167790), (470, 152082), (476, 150165), (497, 143820), (510, 140154), (564, 126735), (595, 120132), (612, 116795), (630, 113458), (639, 111860), (658, 108630), (705, 101388), (710, 100674), (714, 100110), (765, 93436), (799, 89460), (846, 84490), (852, 83895), (940, 76041), (987, 72420), (994, 71910), (1020, 70077), (1065, 67116), (1071, 66740), (1190, 60066), (1207, 59220), (1260, 56729), (1278, 55930), (1316, 54315), (1410, 50694), (1420, 50337), (1428, 50055), (1491, 47940), (1530, 46718), (1598, 44730), (1645, 43452), (1692, 42245), (1785, 40044), (1974, 36210), (1988, 35955), (2115, 33796), (2130, 33558), (2142, 33370), (2380, 30033), (2397, 29820), (2414, 29610), (2485, 28764), (2556, 27965), (2820, 25347), (2961, 24140), (2982, 23970), (3060, 23359), (3195, 22372), (3196, 22365), (3290, 21726), (3337, 21420), (3570, 20022), (3621, 19740), (3948, 18105), (3995, 17892), (4230, 16898), (4260, 16779), (4284, 16685), (4473, 15980), (4794, 14910), (4828, 14805), (4935, 14484), (4970, 14382), (5355, 13348), (5593, 12780), (5922, 12070), (5964, 11985), (6035, 11844), (6390, 11186), (6580, 10863), (6674, 10710), (7140, 10011), (7191, 9940), (7242, 9870), (7455, 9588), (7990, 8946), (8449, 8460)]