28436940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7523}}^1$

素因数の和:7548

約数の個数: 96

約数和(自身を含む): 101122560

約数和(自身を除く): 72685620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7523, 15046, 22569, 30092, 37615, 45138, 52661, 67707, 75230, 90276, 105322, 112845, 135414, 150460, 157983, 203121, 210644, 225690, 263305, 270828, 315966, 338535, 406242, 451380, 473949, 526610, 631932, 677070, 789915, 812484, 947898, 1015605, 1053220, 1354140, 1421847, 1579830, 1895796, 2031210, 2369745, 2843694, 3159660, 4062420, 4739490, 5687388, 7109235, 9478980, 14218470, 28436940]

約数ペア:

[(1, 28436940), (2, 14218470), (3, 9478980), (4, 7109235), (5, 5687388), (6, 4739490), (7, 4062420), (9, 3159660), (10, 2843694), (12, 2369745), (14, 2031210), (15, 1895796), (18, 1579830), (20, 1421847), (21, 1354140), (27, 1053220), (28, 1015605), (30, 947898), (35, 812484), (36, 789915), (42, 677070), (45, 631932), (54, 526610), (60, 473949), (63, 451380), (70, 406242), (84, 338535), (90, 315966), (105, 270828), (108, 263305), (126, 225690), (135, 210644), (140, 203121), (180, 157983), (189, 150460), (210, 135414), (252, 112845), (270, 105322), (315, 90276), (378, 75230), (420, 67707), (540, 52661), (630, 45138), (756, 37615), (945, 30092), (1260, 22569), (1890, 15046), (3780, 7523)]