218852640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 216

約数和(自身を含む): 790082748

約数和(自身を除く): 571230108

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 361, 380, 421, 456, 480, 570, 608, 684, 720, 722, 760, 842, 855, 912, 1083, 1140, 1263, 1368, 1440, 1444, 1520, 1684, 1710, 1805, 1824, 2105, 2166, 2280, 2526, 2736, 2888, 3040, 3249, 3368, 3420, 3610, 3789, 4210, 4332, 4560, 5052, 5415, 5472, 5776, 6315, 6498, 6736, 6840, 7220, 7578, 7999, 8420, 8664, 9120, 10104, 10830, 11552, 12630, 12996, 13472, 13680, 14440, 15156, 15998, 16245, 16840, 17328, 18945, 20208, 21660, 23997, 25260, 25992, 27360, 28880, 30312, 31996, 32490, 33680, 34656, 37890, 39995, 40416, 43320, 47994, 50520, 51984, 57760, 60624, 63992, 64980, 67360, 71991, 75780, 79990, 86640, 95988, 101040, 103968, 119985, 121248, 127984, 129960, 143982, 151560, 151981, 159980, 173280, 191976, 202080, 239970, 255968, 259920, 287964, 303120, 303962, 319960, 359955, 383952, 455943, 479940, 519840, 575928, 606240, 607924, 639920, 719910, 759905, 767904, 911886, 959880, 1151856, 1215848, 1279840, 1367829, 1439820, 1519810, 1823772, 1919760, 2279715, 2303712, 2431696, 2735658, 2879640, 3039620, 3647544, 3839520, 4559430, 4863392, 5471316, 5759280, 6079240, 6839145, 7295088, 9118860, 10942632, 11518560, 12158480, 13678290, 14590176, 18237720, 21885264, 24316960, 27356580, 36475440, 43770528, 54713160, 72950880, 109426320, 218852640]

約数ペア:

[(1, 218852640), (2, 109426320), (3, 72950880), (4, 54713160), (5, 43770528), (6, 36475440), (8, 27356580), (9, 24316960), (10, 21885264), (12, 18237720), (15, 14590176), (16, 13678290), (18, 12158480), (19, 11518560), (20, 10942632), (24, 9118860), (30, 7295088), (32, 6839145), (36, 6079240), (38, 5759280), (40, 5471316), (45, 4863392), (48, 4559430), (57, 3839520), (60, 3647544), (72, 3039620), (76, 2879640), (80, 2735658), (90, 2431696), (95, 2303712), (96, 2279715), (114, 1919760), (120, 1823772), (144, 1519810), (152, 1439820), (160, 1367829), (171, 1279840), (180, 1215848), (190, 1151856), (228, 959880), (240, 911886), (285, 767904), (288, 759905), (304, 719910), (342, 639920), (360, 607924), (361, 606240), (380, 575928), (421, 519840), (456, 479940), (480, 455943), (570, 383952), (608, 359955), (684, 319960), (720, 303962), (722, 303120), (760, 287964), (842, 259920), (855, 255968), (912, 239970), (1083, 202080), (1140, 191976), (1263, 173280), (1368, 159980), (1440, 151981), (1444, 151560), (1520, 143982), (1684, 129960), (1710, 127984), (1805, 121248), (1824, 119985), (2105, 103968), (2166, 101040), (2280, 95988), (2526, 86640), (2736, 79990), (2888, 75780), (3040, 71991), (3249, 67360), (3368, 64980), (3420, 63992), (3610, 60624), (3789, 57760), (4210, 51984), (4332, 50520), (4560, 47994), (5052, 43320), (5415, 40416), (5472, 39995), (5776, 37890), (6315, 34656), (6498, 33680), (6736, 32490), (6840, 31996), (7220, 30312), (7578, 28880), (7999, 27360), (8420, 25992), (8664, 25260), (9120, 23997), (10104, 21660), (10830, 20208), (11552, 18945), (12630, 17328), (12996, 16840), (13472, 16245), (13680, 15998), (14440, 15156)]