28193880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 104509440

約数和(自身を除く): 76315560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 31, 33, 39, 40, 44, 52, 53, 55, 60, 62, 65, 66, 78, 88, 93, 104, 106, 110, 120, 124, 130, 132, 143, 155, 156, 159, 165, 186, 195, 212, 220, 248, 260, 264, 265, 286, 310, 312, 318, 330, 341, 372, 390, 403, 424, 429, 440, 465, 520, 530, 572, 583, 620, 636, 660, 682, 689, 715, 744, 780, 795, 806, 858, 930, 1023, 1060, 1144, 1166, 1209, 1240, 1272, 1320, 1364, 1378, 1430, 1560, 1590, 1612, 1643, 1705, 1716, 1749, 1860, 2015, 2046, 2067, 2120, 2145, 2332, 2418, 2728, 2756, 2860, 2915, 3180, 3224, 3286, 3410, 3432, 3445, 3498, 3720, 4030, 4092, 4134, 4290, 4433, 4664, 4836, 4929, 5115, 5512, 5720, 5830, 6045, 6360, 6572, 6820, 6890, 6996, 7579, 8060, 8184, 8215, 8268, 8580, 8745, 8866, 9672, 9858, 10230, 10335, 11660, 12090, 13144, 13299, 13640, 13780, 13992, 15158, 16120, 16430, 16536, 17160, 17490, 17732, 18073, 19716, 20460, 20670, 21359, 22165, 22737, 23320, 24180, 24645, 26598, 27560, 30316, 32860, 34980, 35464, 36146, 37895, 39432, 40920, 41340, 42718, 44330, 45474, 48360, 49290, 53196, 54219, 60632, 64077, 65720, 66495, 69960, 72292, 75790, 82680, 85436, 88660, 90365, 90948, 98580, 106392, 106795, 108438, 113685, 128154, 132990, 144584, 151580, 170872, 177320, 180730, 181896, 197160, 213590, 216876, 227370, 234949, 256308, 265980, 271095, 303160, 320385, 361460, 427180, 433752, 454740, 469898, 512616, 531960, 542190, 640770, 704847, 722920, 854360, 909480, 939796, 1084380, 1174745, 1281540, 1409694, 1879592, 2168760, 2349490, 2563080, 2819388, 3524235, 4698980, 5638776, 7048470, 9397960, 14096940, 28193880]

約数ペア:

[(1, 28193880), (2, 14096940), (3, 9397960), (4, 7048470), (5, 5638776), (6, 4698980), (8, 3524235), (10, 2819388), (11, 2563080), (12, 2349490), (13, 2168760), (15, 1879592), (20, 1409694), (22, 1281540), (24, 1174745), (26, 1084380), (30, 939796), (31, 909480), (33, 854360), (39, 722920), (40, 704847), (44, 640770), (52, 542190), (53, 531960), (55, 512616), (60, 469898), (62, 454740), (65, 433752), (66, 427180), (78, 361460), (88, 320385), (93, 303160), (104, 271095), (106, 265980), (110, 256308), (120, 234949), (124, 227370), (130, 216876), (132, 213590), (143, 197160), (155, 181896), (156, 180730), (159, 177320), (165, 170872), (186, 151580), (195, 144584), (212, 132990), (220, 128154), (248, 113685), (260, 108438), (264, 106795), (265, 106392), (286, 98580), (310, 90948), (312, 90365), (318, 88660), (330, 85436), (341, 82680), (372, 75790), (390, 72292), (403, 69960), (424, 66495), (429, 65720), (440, 64077), (465, 60632), (520, 54219), (530, 53196), (572, 49290), (583, 48360), (620, 45474), (636, 44330), (660, 42718), (682, 41340), (689, 40920), (715, 39432), (744, 37895), (780, 36146), (795, 35464), (806, 34980), (858, 32860), (930, 30316), (1023, 27560), (1060, 26598), (1144, 24645), (1166, 24180), (1209, 23320), (1240, 22737), (1272, 22165), (1320, 21359), (1364, 20670), (1378, 20460), (1430, 19716), (1560, 18073), (1590, 17732), (1612, 17490), (1643, 17160), (1705, 16536), (1716, 16430), (1749, 16120), (1860, 15158), (2015, 13992), (2046, 13780), (2067, 13640), (2120, 13299), (2145, 13144), (2332, 12090), (2418, 11660), (2728, 10335), (2756, 10230), (2860, 9858), (2915, 9672), (3180, 8866), (3224, 8745), (3286, 8580), (3410, 8268), (3432, 8215), (3445, 8184), (3498, 8060), (3720, 7579), (4030, 6996), (4092, 6890), (4134, 6820), (4290, 6572), (4433, 6360), (4664, 6045), (4836, 5830), (4929, 5720), (5115, 5512)]