15930180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 40679100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 269, 282, 315, 329, 420, 423, 470, 538, 564, 630, 658, 705, 807, 846, 940, 987, 1076, 1260, 1316, 1345, 1410, 1614, 1645, 1692, 1883, 1974, 2115, 2421, 2690, 2820, 2961, 3228, 3290, 3766, 3948, 4035, 4230, 4842, 4935, 5380, 5649, 5922, 6580, 7532, 8070, 8460, 9415, 9684, 9870, 11298, 11844, 12105, 12643, 14805, 16140, 16947, 18830, 19740, 22596, 24210, 25286, 28245, 29610, 33894, 37660, 37929, 48420, 50572, 56490, 59220, 63215, 67788, 75858, 84735, 88501, 112980, 113787, 126430, 151716, 169470, 177002, 189645, 227574, 252860, 265503, 338940, 354004, 379290, 442505, 455148, 531006, 568935, 758580, 796509, 885010, 1062012, 1137870, 1327515, 1593018, 1770020, 2275740, 2655030, 3186036, 3982545, 5310060, 7965090, 15930180]

約数ペア:

[(1, 15930180), (2, 7965090), (3, 5310060), (4, 3982545), (5, 3186036), (6, 2655030), (7, 2275740), (9, 1770020), (10, 1593018), (12, 1327515), (14, 1137870), (15, 1062012), (18, 885010), (20, 796509), (21, 758580), (28, 568935), (30, 531006), (35, 455148), (36, 442505), (42, 379290), (45, 354004), (47, 338940), (60, 265503), (63, 252860), (70, 227574), (84, 189645), (90, 177002), (94, 169470), (105, 151716), (126, 126430), (140, 113787), (141, 112980), (180, 88501), (188, 84735), (210, 75858), (235, 67788), (252, 63215), (269, 59220), (282, 56490), (315, 50572), (329, 48420), (420, 37929), (423, 37660), (470, 33894), (538, 29610), (564, 28245), (630, 25286), (658, 24210), (705, 22596), (807, 19740), (846, 18830), (940, 16947), (987, 16140), (1076, 14805), (1260, 12643), (1316, 12105), (1345, 11844), (1410, 11298), (1614, 9870), (1645, 9684), (1692, 9415), (1883, 8460), (1974, 8070), (2115, 7532), (2421, 6580), (2690, 5922), (2820, 5649), (2961, 5380), (3228, 4935), (3290, 4842), (3766, 4230), (3948, 4035)]