1628797280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5113}}^1$

素因数の和:5320

約数の個数: 96

約数和(自身を含む): 4221872928

約数和(自身を除く): 2593075648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 181, 220, 352, 362, 440, 724, 880, 905, 1448, 1760, 1810, 1991, 2896, 3620, 3982, 5113, 5792, 7240, 7964, 9955, 10226, 14480, 15928, 19910, 20452, 25565, 28960, 31856, 39820, 40904, 51130, 56243, 63712, 79640, 81808, 102260, 112486, 159280, 163616, 204520, 224972, 281215, 318560, 409040, 449944, 562430, 818080, 899888, 925453, 1124860, 1799776, 1850906, 2249720, 3701812, 4499440, 4627265, 7403624, 8998880, 9254530, 10179983, 14807248, 18509060, 20359966, 29614496, 37018120, 40719932, 50899915, 74036240, 81439864, 101799830, 148072480, 162879728, 203599660, 325759456, 407199320, 814398640, 1628797280]

約数ペア:

[(1, 1628797280), (2, 814398640), (4, 407199320), (5, 325759456), (8, 203599660), (10, 162879728), (11, 148072480), (16, 101799830), (20, 81439864), (22, 74036240), (32, 50899915), (40, 40719932), (44, 37018120), (55, 29614496), (80, 20359966), (88, 18509060), (110, 14807248), (160, 10179983), (176, 9254530), (181, 8998880), (220, 7403624), (352, 4627265), (362, 4499440), (440, 3701812), (724, 2249720), (880, 1850906), (905, 1799776), (1448, 1124860), (1760, 925453), (1810, 899888), (1991, 818080), (2896, 562430), (3620, 449944), (3982, 409040), (5113, 318560), (5792, 281215), (7240, 224972), (7964, 204520), (9955, 163616), (10226, 159280), (14480, 112486), (15928, 102260), (19910, 81808), (20452, 79640), (25565, 63712), (28960, 56243), (31856, 51130), (39820, 40904)]