1551355920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^2\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 180

約数和(自身を含む): 5287222980

約数和(自身を除く): 3735867060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 229, 240, 291, 360, 388, 458, 485, 582, 687, 720, 776, 873, 916, 970, 1145, 1164, 1374, 1455, 1552, 1746, 1832, 1940, 2061, 2290, 2328, 2748, 2910, 3435, 3492, 3664, 3880, 4122, 4365, 4580, 4656, 5496, 5820, 6870, 6984, 7760, 8244, 8730, 9160, 9409, 10305, 10992, 11640, 13740, 13968, 16488, 17460, 18320, 18818, 20610, 22213, 23280, 27480, 28227, 32976, 34920, 37636, 41220, 44426, 47045, 54960, 56454, 66639, 69840, 75272, 82440, 84681, 88852, 94090, 111065, 112908, 133278, 141135, 150544, 164880, 169362, 177704, 188180, 199917, 222130, 225816, 266556, 282270, 333195, 338724, 355408, 376360, 399834, 423405, 444260, 451632, 533112, 564540, 666390, 677448, 752720, 799668, 846810, 888520, 999585, 1066224, 1129080, 1332780, 1354896, 1599336, 1693620, 1777040, 1999170, 2154661, 2258160, 2665560, 3198672, 3387240, 3998340, 4309322, 5331120, 6463983, 6774480, 7996680, 8618644, 10773305, 12927966, 15993360, 17237288, 19391949, 21546610, 25855932, 32319915, 34474576, 38783898, 43093220, 51711864, 64639830, 77567796, 86186440, 96959745, 103423728, 129279660, 155135592, 172372880, 193919490, 258559320, 310271184, 387838980, 517118640, 775677960, 1551355920]

約数ペア:

[(1, 1551355920), (2, 775677960), (3, 517118640), (4, 387838980), (5, 310271184), (6, 258559320), (8, 193919490), (9, 172372880), (10, 155135592), (12, 129279660), (15, 103423728), (16, 96959745), (18, 86186440), (20, 77567796), (24, 64639830), (30, 51711864), (36, 43093220), (40, 38783898), (45, 34474576), (48, 32319915), (60, 25855932), (72, 21546610), (80, 19391949), (90, 17237288), (97, 15993360), (120, 12927966), (144, 10773305), (180, 8618644), (194, 7996680), (229, 6774480), (240, 6463983), (291, 5331120), (360, 4309322), (388, 3998340), (458, 3387240), (485, 3198672), (582, 2665560), (687, 2258160), (720, 2154661), (776, 1999170), (873, 1777040), (916, 1693620), (970, 1599336), (1145, 1354896), (1164, 1332780), (1374, 1129080), (1455, 1066224), (1552, 999585), (1746, 888520), (1832, 846810), (1940, 799668), (2061, 752720), (2290, 677448), (2328, 666390), (2748, 564540), (2910, 533112), (3435, 451632), (3492, 444260), (3664, 423405), (3880, 399834), (4122, 376360), (4365, 355408), (4580, 338724), (4656, 333195), (5496, 282270), (5820, 266556), (6870, 225816), (6984, 222130), (7760, 199917), (8244, 188180), (8730, 177704), (9160, 169362), (9409, 164880), (10305, 150544), (10992, 141135), (11640, 133278), (13740, 112908), (13968, 111065), (16488, 94090), (17460, 88852), (18320, 84681), (18818, 82440), (20610, 75272), (22213, 69840), (23280, 66639), (27480, 56454), (28227, 54960), (32976, 47045), (34920, 44426), (37636, 41220)]