408908880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 240

約数和(自身を含む): 1469370240

約数和(自身を除く): 1060461360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 284, 285, 304, 342, 355, 360, 380, 421, 426, 456, 568, 570, 639, 684, 710, 720, 760, 842, 852, 855, 912, 1065, 1136, 1140, 1263, 1278, 1349, 1368, 1420, 1520, 1684, 1704, 1710, 2105, 2130, 2280, 2526, 2556, 2698, 2736, 2840, 3195, 3368, 3408, 3420, 3789, 4047, 4210, 4260, 4560, 5052, 5112, 5396, 5680, 6315, 6390, 6736, 6745, 6840, 7578, 7999, 8094, 8420, 8520, 10104, 10224, 10792, 12141, 12630, 12780, 13490, 13680, 15156, 15998, 16188, 16840, 17040, 18945, 20208, 20235, 21584, 23997, 24282, 25260, 25560, 26980, 29891, 30312, 31996, 32376, 33680, 37890, 39995, 40470, 47994, 48564, 50520, 51120, 53960, 59782, 60624, 60705, 63992, 64752, 71991, 75780, 79990, 80940, 89673, 95988, 97128, 101040, 107920, 119564, 119985, 121410, 127984, 143982, 149455, 151560, 159980, 161880, 179346, 191976, 194256, 239128, 239970, 242820, 269019, 287964, 298910, 303120, 319960, 323760, 358692, 359955, 383952, 448365, 478256, 479940, 485640, 538038, 567929, 575928, 597820, 639920, 717384, 719910, 896730, 959880, 971280, 1076076, 1135858, 1151856, 1195640, 1345095, 1434768, 1439820, 1703787, 1793460, 1919760, 2152152, 2271716, 2391280, 2690190, 2839645, 2879640, 3407574, 3586920, 4304304, 4543432, 5111361, 5380380, 5679290, 5759280, 6815148, 7173840, 8518935, 9086864, 10222722, 10760760, 11358580, 13630296, 17037870, 20445444, 21521520, 22717160, 25556805, 27260592, 34075740, 40890888, 45434320, 51113610, 68151480, 81781776, 102227220, 136302960, 204454440, 408908880]

約数ペア:

[(1, 408908880), (2, 204454440), (3, 136302960), (4, 102227220), (5, 81781776), (6, 68151480), (8, 51113610), (9, 45434320), (10, 40890888), (12, 34075740), (15, 27260592), (16, 25556805), (18, 22717160), (19, 21521520), (20, 20445444), (24, 17037870), (30, 13630296), (36, 11358580), (38, 10760760), (40, 10222722), (45, 9086864), (48, 8518935), (57, 7173840), (60, 6815148), (71, 5759280), (72, 5679290), (76, 5380380), (80, 5111361), (90, 4543432), (95, 4304304), (114, 3586920), (120, 3407574), (142, 2879640), (144, 2839645), (152, 2690190), (171, 2391280), (180, 2271716), (190, 2152152), (213, 1919760), (228, 1793460), (240, 1703787), (284, 1439820), (285, 1434768), (304, 1345095), (342, 1195640), (355, 1151856), (360, 1135858), (380, 1076076), (421, 971280), (426, 959880), (456, 896730), (568, 719910), (570, 717384), (639, 639920), (684, 597820), (710, 575928), (720, 567929), (760, 538038), (842, 485640), (852, 479940), (855, 478256), (912, 448365), (1065, 383952), (1136, 359955), (1140, 358692), (1263, 323760), (1278, 319960), (1349, 303120), (1368, 298910), (1420, 287964), (1520, 269019), (1684, 242820), (1704, 239970), (1710, 239128), (2105, 194256), (2130, 191976), (2280, 179346), (2526, 161880), (2556, 159980), (2698, 151560), (2736, 149455), (2840, 143982), (3195, 127984), (3368, 121410), (3408, 119985), (3420, 119564), (3789, 107920), (4047, 101040), (4210, 97128), (4260, 95988), (4560, 89673), (5052, 80940), (5112, 79990), (5396, 75780), (5680, 71991), (6315, 64752), (6390, 63992), (6736, 60705), (6745, 60624), (6840, 59782), (7578, 53960), (7999, 51120), (8094, 50520), (8420, 48564), (8520, 47994), (10104, 40470), (10224, 39995), (10792, 37890), (12141, 33680), (12630, 32376), (12780, 31996), (13490, 30312), (13680, 29891), (15156, 26980), (15998, 25560), (16188, 25260), (16840, 24282), (17040, 23997), (18945, 21584), (20208, 20235)]