28959480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 105131520

約数和(自身を除く): 76172040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 71, 72, 88, 90, 99, 103, 110, 120, 132, 142, 165, 180, 198, 206, 213, 220, 264, 284, 309, 330, 355, 360, 396, 412, 426, 440, 495, 515, 568, 618, 639, 660, 710, 781, 792, 824, 852, 927, 990, 1030, 1065, 1133, 1236, 1278, 1320, 1420, 1545, 1562, 1704, 1854, 1980, 2060, 2130, 2266, 2343, 2472, 2556, 2840, 3090, 3124, 3195, 3399, 3708, 3905, 3960, 4120, 4260, 4532, 4635, 4686, 5112, 5665, 6180, 6248, 6390, 6798, 7029, 7313, 7416, 7810, 8520, 9064, 9270, 9372, 10197, 11330, 11715, 12360, 12780, 13596, 14058, 14626, 15620, 16995, 18540, 18744, 20394, 21939, 22660, 23430, 25560, 27192, 28116, 29252, 31240, 33990, 35145, 36565, 37080, 40788, 43878, 45320, 46860, 50985, 56232, 58504, 65817, 67980, 70290, 73130, 80443, 81576, 87756, 93720, 101970, 109695, 131634, 135960, 140580, 146260, 160886, 175512, 203940, 219390, 241329, 263268, 281160, 292520, 321772, 329085, 402215, 407880, 438780, 482658, 526536, 643544, 658170, 723987, 804430, 877560, 965316, 1206645, 1316340, 1447974, 1608860, 1930632, 2413290, 2632680, 2895948, 3217720, 3619935, 4826580, 5791896, 7239870, 9653160, 14479740, 28959480]

約数ペア:

[(1, 28959480), (2, 14479740), (3, 9653160), (4, 7239870), (5, 5791896), (6, 4826580), (8, 3619935), (9, 3217720), (10, 2895948), (11, 2632680), (12, 2413290), (15, 1930632), (18, 1608860), (20, 1447974), (22, 1316340), (24, 1206645), (30, 965316), (33, 877560), (36, 804430), (40, 723987), (44, 658170), (45, 643544), (55, 526536), (60, 482658), (66, 438780), (71, 407880), (72, 402215), (88, 329085), (90, 321772), (99, 292520), (103, 281160), (110, 263268), (120, 241329), (132, 219390), (142, 203940), (165, 175512), (180, 160886), (198, 146260), (206, 140580), (213, 135960), (220, 131634), (264, 109695), (284, 101970), (309, 93720), (330, 87756), (355, 81576), (360, 80443), (396, 73130), (412, 70290), (426, 67980), (440, 65817), (495, 58504), (515, 56232), (568, 50985), (618, 46860), (639, 45320), (660, 43878), (710, 40788), (781, 37080), (792, 36565), (824, 35145), (852, 33990), (927, 31240), (990, 29252), (1030, 28116), (1065, 27192), (1133, 25560), (1236, 23430), (1278, 22660), (1320, 21939), (1420, 20394), (1545, 18744), (1562, 18540), (1704, 16995), (1854, 15620), (1980, 14626), (2060, 14058), (2130, 13596), (2266, 12780), (2343, 12360), (2472, 11715), (2556, 11330), (2840, 10197), (3090, 9372), (3124, 9270), (3195, 9064), (3399, 8520), (3708, 7810), (3905, 7416), (3960, 7313), (4120, 7029), (4260, 6798), (4532, 6390), (4635, 6248), (4686, 6180), (5112, 5665)]