156940380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 506906400

約数和(自身を除く): 349966020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 109, 114, 171, 180, 190, 218, 228, 285, 327, 342, 380, 421, 436, 545, 570, 654, 684, 842, 855, 981, 1090, 1140, 1263, 1308, 1635, 1684, 1710, 1962, 2071, 2105, 2180, 2526, 3270, 3420, 3789, 3924, 4142, 4210, 4905, 5052, 6213, 6315, 6540, 7578, 7999, 8284, 8420, 9810, 10355, 12426, 12630, 15156, 15998, 18639, 18945, 19620, 20710, 23997, 24852, 25260, 31065, 31996, 37278, 37890, 39995, 41420, 45889, 47994, 62130, 71991, 74556, 75780, 79990, 91778, 93195, 95988, 119985, 124260, 137667, 143982, 159980, 183556, 186390, 229445, 239970, 275334, 287964, 359955, 372780, 413001, 458890, 479940, 550668, 688335, 719910, 826002, 871891, 917780, 1376670, 1439820, 1652004, 1743782, 2065005, 2615673, 2753340, 3487564, 4130010, 4359455, 5231346, 7847019, 8260020, 8718910, 10462692, 13078365, 15694038, 17437820, 26156730, 31388076, 39235095, 52313460, 78470190, 156940380]

約数ペア:

[(1, 156940380), (2, 78470190), (3, 52313460), (4, 39235095), (5, 31388076), (6, 26156730), (9, 17437820), (10, 15694038), (12, 13078365), (15, 10462692), (18, 8718910), (19, 8260020), (20, 7847019), (30, 5231346), (36, 4359455), (38, 4130010), (45, 3487564), (57, 2753340), (60, 2615673), (76, 2065005), (90, 1743782), (95, 1652004), (109, 1439820), (114, 1376670), (171, 917780), (180, 871891), (190, 826002), (218, 719910), (228, 688335), (285, 550668), (327, 479940), (342, 458890), (380, 413001), (421, 372780), (436, 359955), (545, 287964), (570, 275334), (654, 239970), (684, 229445), (842, 186390), (855, 183556), (981, 159980), (1090, 143982), (1140, 137667), (1263, 124260), (1308, 119985), (1635, 95988), (1684, 93195), (1710, 91778), (1962, 79990), (2071, 75780), (2105, 74556), (2180, 71991), (2526, 62130), (3270, 47994), (3420, 45889), (3789, 41420), (3924, 39995), (4142, 37890), (4210, 37278), (4905, 31996), (5052, 31065), (6213, 25260), (6315, 24852), (6540, 23997), (7578, 20710), (7999, 19620), (8284, 18945), (8420, 18639), (9810, 15998), (10355, 15156), (12426, 12630)]