15112440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 128

約数和(自身を含む): 57600000

約数和(自身を除く): 42487560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 1999, 2520, 3780, 3998, 5997, 7560, 7996, 9995, 11994, 13993, 15992, 17991, 19990, 23988, 27986, 29985, 35982, 39980, 41979, 47976, 53973, 55972, 59970, 69965, 71964, 79960, 83958, 89955, 107946, 111944, 119940, 125937, 139930, 143928, 167916, 179910, 209895, 215892, 239880, 251874, 269865, 279860, 335832, 359820, 377811, 419790, 431784, 503748, 539730, 559720, 629685, 719640, 755622, 839580, 1007496, 1079460, 1259370, 1511244, 1679160, 1889055, 2158920, 2518740, 3022488, 3778110, 5037480, 7556220, 15112440]

約数ペア:

[(1, 15112440), (2, 7556220), (3, 5037480), (4, 3778110), (5, 3022488), (6, 2518740), (7, 2158920), (8, 1889055), (9, 1679160), (10, 1511244), (12, 1259370), (14, 1079460), (15, 1007496), (18, 839580), (20, 755622), (21, 719640), (24, 629685), (27, 559720), (28, 539730), (30, 503748), (35, 431784), (36, 419790), (40, 377811), (42, 359820), (45, 335832), (54, 279860), (56, 269865), (60, 251874), (63, 239880), (70, 215892), (72, 209895), (84, 179910), (90, 167916), (105, 143928), (108, 139930), (120, 125937), (126, 119940), (135, 111944), (140, 107946), (168, 89955), (180, 83958), (189, 79960), (210, 71964), (216, 69965), (252, 59970), (270, 55972), (280, 53973), (315, 47976), (360, 41979), (378, 39980), (420, 35982), (504, 29985), (540, 27986), (630, 23988), (756, 19990), (840, 17991), (945, 15992), (1080, 13993), (1260, 11994), (1512, 9995), (1890, 7996), (1999, 7560), (2520, 5997), (3780, 3998)]