1219949440

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:684

約数の個数: 128

約数和(自身を含む): 3066854400

約数和(自身を除く): 1846904960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 179, 184, 230, 320, 358, 368, 460, 463, 640, 716, 736, 895, 920, 926, 1432, 1472, 1790, 1840, 1852, 2315, 2864, 2944, 3580, 3680, 3704, 4117, 4630, 5728, 7160, 7360, 7408, 8234, 9260, 10649, 11456, 14320, 14720, 14816, 16468, 18520, 20585, 21298, 22912, 28640, 29632, 32936, 37040, 41170, 42596, 53245, 57280, 59264, 65872, 74080, 82340, 82877, 85192, 106490, 114560, 131744, 148160, 164680, 165754, 170384, 212980, 263488, 296320, 329360, 331508, 340768, 414385, 425960, 526976, 658720, 663016, 681536, 828770, 851920, 1317440, 1326032, 1363072, 1657540, 1703840, 1906171, 2634880, 2652064, 3315080, 3407680, 3812342, 5304128, 6630160, 6815360, 7624684, 9530855, 10608256, 13260320, 15249368, 19061710, 26520640, 30498736, 38123420, 53041280, 60997472, 76246840, 121994944, 152493680, 243989888, 304987360, 609974720, 1219949440]

約数ペア:

[(1, 1219949440), (2, 609974720), (4, 304987360), (5, 243989888), (8, 152493680), (10, 121994944), (16, 76246840), (20, 60997472), (23, 53041280), (32, 38123420), (40, 30498736), (46, 26520640), (64, 19061710), (80, 15249368), (92, 13260320), (115, 10608256), (128, 9530855), (160, 7624684), (179, 6815360), (184, 6630160), (230, 5304128), (320, 3812342), (358, 3407680), (368, 3315080), (460, 2652064), (463, 2634880), (640, 1906171), (716, 1703840), (736, 1657540), (895, 1363072), (920, 1326032), (926, 1317440), (1432, 851920), (1472, 828770), (1790, 681536), (1840, 663016), (1852, 658720), (2315, 526976), (2864, 425960), (2944, 414385), (3580, 340768), (3680, 331508), (3704, 329360), (4117, 296320), (4630, 263488), (5728, 212980), (7160, 170384), (7360, 165754), (7408, 164680), (8234, 148160), (9260, 131744), (10649, 114560), (11456, 106490), (14320, 85192), (14720, 82877), (14816, 82340), (16468, 74080), (18520, 65872), (20585, 59264), (21298, 57280), (22912, 53245), (28640, 42596), (29632, 41170), (32936, 37040)]