278318880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27611}}^1$

素因数の和:27639

約数の個数: 144

約数和(自身を含む): 1085482944

約数和(自身を除く): 807164064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 27611, 55222, 82833, 110444, 138055, 165666, 193277, 220888, 248499, 276110, 331332, 386554, 414165, 441776, 496998, 552220, 579831, 662664, 773108, 828330, 883552, 966385, 993996, 1104440, 1159662, 1242495, 1325328, 1546216, 1656660, 1739493, 1932770, 1987992, 2208880, 2319324, 2484990, 2650656, 2899155, 3092432, 3313320, 3478986, 3865540, 3975984, 4417760, 4638648, 4969980, 5798310, 6184864, 6626640, 6957972, 7731080, 7951968, 8697465, 9277296, 9939960, 11596620, 13253280, 13915944, 15462160, 17394930, 18554592, 19879920, 23193240, 27831888, 30924320, 34789860, 39759840, 46386480, 55663776, 69579720, 92772960, 139159440, 278318880]

約数ペア:

[(1, 278318880), (2, 139159440), (3, 92772960), (4, 69579720), (5, 55663776), (6, 46386480), (7, 39759840), (8, 34789860), (9, 30924320), (10, 27831888), (12, 23193240), (14, 19879920), (15, 18554592), (16, 17394930), (18, 15462160), (20, 13915944), (21, 13253280), (24, 11596620), (28, 9939960), (30, 9277296), (32, 8697465), (35, 7951968), (36, 7731080), (40, 6957972), (42, 6626640), (45, 6184864), (48, 5798310), (56, 4969980), (60, 4638648), (63, 4417760), (70, 3975984), (72, 3865540), (80, 3478986), (84, 3313320), (90, 3092432), (96, 2899155), (105, 2650656), (112, 2484990), (120, 2319324), (126, 2208880), (140, 1987992), (144, 1932770), (160, 1739493), (168, 1656660), (180, 1546216), (210, 1325328), (224, 1242495), (240, 1159662), (252, 1104440), (280, 993996), (288, 966385), (315, 883552), (336, 828330), (360, 773108), (420, 662664), (480, 579831), (504, 552220), (560, 496998), (630, 441776), (672, 414165), (720, 386554), (840, 331332), (1008, 276110), (1120, 248499), (1260, 220888), (1440, 193277), (1680, 165666), (2016, 138055), (2520, 110444), (3360, 82833), (5040, 55222), (10080, 27611)]