74870640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 240

約数和(自身を含む): 285710880

約数和(自身を除く): 210840240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 421, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 842, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1263, 1368, 1482, 1520, 1560, 1684, 1710, 1872, 1976, 2105, 2223, 2280, 2340, 2470, 2526, 2736, 2964, 3120, 3368, 3420, 3705, 3789, 3952, 4210, 4446, 4560, 4680, 4940, 5052, 5473, 5928, 6315, 6736, 6840, 7410, 7578, 7999, 8420, 8892, 9360, 9880, 10104, 10946, 11115, 11856, 12630, 13680, 14820, 15156, 15998, 16419, 16840, 17784, 18945, 19760, 20208, 21892, 22230, 23997, 25260, 27365, 29640, 30312, 31996, 32838, 33680, 35568, 37890, 39995, 43784, 44460, 47994, 49257, 50520, 54730, 59280, 60624, 63992, 65676, 71991, 75780, 79990, 82095, 87568, 88920, 95988, 98514, 101040, 103987, 109460, 119985, 127984, 131352, 143982, 151560, 159980, 164190, 177840, 191976, 197028, 207974, 218920, 239970, 246285, 262704, 287964, 303120, 311961, 319960, 328380, 359955, 383952, 394056, 415948, 437840, 479940, 492570, 519935, 575928, 623922, 639920, 656760, 719910, 788112, 831896, 935883, 959880, 985140, 1039870, 1151856, 1247844, 1313520, 1439820, 1559805, 1663792, 1871766, 1919760, 1970280, 2079740, 2495688, 2879640, 3119610, 3743532, 3940560, 4159480, 4679415, 4991376, 5759280, 6239220, 7487064, 8318960, 9358830, 12478440, 14974128, 18717660, 24956880, 37435320, 74870640]

約数ペア:

[(1, 74870640), (2, 37435320), (3, 24956880), (4, 18717660), (5, 14974128), (6, 12478440), (8, 9358830), (9, 8318960), (10, 7487064), (12, 6239220), (13, 5759280), (15, 4991376), (16, 4679415), (18, 4159480), (19, 3940560), (20, 3743532), (24, 3119610), (26, 2879640), (30, 2495688), (36, 2079740), (38, 1970280), (39, 1919760), (40, 1871766), (45, 1663792), (48, 1559805), (52, 1439820), (57, 1313520), (60, 1247844), (65, 1151856), (72, 1039870), (76, 985140), (78, 959880), (80, 935883), (90, 831896), (95, 788112), (104, 719910), (114, 656760), (117, 639920), (120, 623922), (130, 575928), (144, 519935), (152, 492570), (156, 479940), (171, 437840), (180, 415948), (190, 394056), (195, 383952), (208, 359955), (228, 328380), (234, 319960), (240, 311961), (247, 303120), (260, 287964), (285, 262704), (304, 246285), (312, 239970), (342, 218920), (360, 207974), (380, 197028), (390, 191976), (421, 177840), (456, 164190), (468, 159980), (494, 151560), (520, 143982), (570, 131352), (585, 127984), (624, 119985), (684, 109460), (720, 103987), (741, 101040), (760, 98514), (780, 95988), (842, 88920), (855, 87568), (912, 82095), (936, 79990), (988, 75780), (1040, 71991), (1140, 65676), (1170, 63992), (1235, 60624), (1263, 59280), (1368, 54730), (1482, 50520), (1520, 49257), (1560, 47994), (1684, 44460), (1710, 43784), (1872, 39995), (1976, 37890), (2105, 35568), (2223, 33680), (2280, 32838), (2340, 31996), (2470, 30312), (2526, 29640), (2736, 27365), (2964, 25260), (3120, 23997), (3368, 22230), (3420, 21892), (3705, 20208), (3789, 19760), (3952, 18945), (4210, 17784), (4446, 16840), (4560, 16419), (4680, 15998), (4940, 15156), (5052, 14820), (5473, 13680), (5928, 12630), (6315, 11856), (6736, 11115), (6840, 10946), (7410, 10104), (7578, 9880), (7999, 9360), (8420, 8892)]