29491980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 102187008

約数和(自身を除く): 72695028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 43, 46, 60, 69, 70, 71, 84, 86, 92, 105, 115, 129, 138, 140, 142, 161, 172, 210, 213, 215, 230, 258, 276, 284, 301, 322, 345, 355, 420, 426, 430, 460, 483, 497, 516, 602, 644, 645, 690, 710, 805, 852, 860, 903, 966, 989, 994, 1065, 1204, 1290, 1380, 1420, 1491, 1505, 1610, 1633, 1806, 1932, 1978, 1988, 2130, 2415, 2485, 2580, 2967, 2982, 3010, 3053, 3220, 3266, 3612, 3956, 4260, 4515, 4830, 4899, 4945, 4970, 5934, 5964, 6020, 6106, 6532, 6923, 7455, 8165, 9030, 9159, 9660, 9798, 9890, 9940, 11431, 11868, 12212, 13846, 14835, 14910, 15265, 16330, 18060, 18318, 19596, 19780, 20769, 21371, 22862, 24495, 27692, 29670, 29820, 30530, 32660, 34293, 34615, 36636, 41538, 42742, 45724, 45795, 48990, 57155, 59340, 61060, 64113, 68586, 69230, 70219, 83076, 85484, 91590, 97980, 103845, 106855, 114310, 128226, 137172, 138460, 140438, 171465, 183180, 207690, 210657, 213710, 228620, 256452, 280876, 320565, 342930, 351095, 415380, 421314, 427420, 491533, 641130, 685860, 702190, 842628, 983066, 1053285, 1282260, 1404380, 1474599, 1966132, 2106570, 2457665, 2949198, 4213140, 4915330, 5898396, 7372995, 9830660, 14745990, 29491980]

約数ペア:

[(1, 29491980), (2, 14745990), (3, 9830660), (4, 7372995), (5, 5898396), (6, 4915330), (7, 4213140), (10, 2949198), (12, 2457665), (14, 2106570), (15, 1966132), (20, 1474599), (21, 1404380), (23, 1282260), (28, 1053285), (30, 983066), (35, 842628), (42, 702190), (43, 685860), (46, 641130), (60, 491533), (69, 427420), (70, 421314), (71, 415380), (84, 351095), (86, 342930), (92, 320565), (105, 280876), (115, 256452), (129, 228620), (138, 213710), (140, 210657), (142, 207690), (161, 183180), (172, 171465), (210, 140438), (213, 138460), (215, 137172), (230, 128226), (258, 114310), (276, 106855), (284, 103845), (301, 97980), (322, 91590), (345, 85484), (355, 83076), (420, 70219), (426, 69230), (430, 68586), (460, 64113), (483, 61060), (497, 59340), (516, 57155), (602, 48990), (644, 45795), (645, 45724), (690, 42742), (710, 41538), (805, 36636), (852, 34615), (860, 34293), (903, 32660), (966, 30530), (989, 29820), (994, 29670), (1065, 27692), (1204, 24495), (1290, 22862), (1380, 21371), (1420, 20769), (1491, 19780), (1505, 19596), (1610, 18318), (1633, 18060), (1806, 16330), (1932, 15265), (1978, 14910), (1988, 14835), (2130, 13846), (2415, 12212), (2485, 11868), (2580, 11431), (2967, 9940), (2982, 9890), (3010, 9798), (3053, 9660), (3220, 9159), (3266, 9030), (3612, 8165), (3956, 7455), (4260, 6923), (4515, 6532), (4830, 6106), (4899, 6020), (4945, 5964), (4970, 5934)]