28814940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{11}}^2$

素因数の和:60

約数の個数: 324

約数和(自身を含む): 115898328

約数和(自身を除く): 87083388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 98, 99, 105, 108, 110, 121, 126, 132, 135, 140, 147, 154, 162, 165, 180, 189, 196, 198, 210, 220, 231, 242, 243, 245, 252, 270, 294, 297, 308, 315, 324, 330, 363, 378, 385, 396, 405, 420, 441, 462, 484, 486, 490, 495, 539, 540, 567, 588, 594, 605, 630, 660, 693, 726, 735, 756, 770, 810, 847, 882, 891, 924, 945, 972, 980, 990, 1078, 1089, 1134, 1155, 1188, 1210, 1215, 1260, 1323, 1386, 1452, 1470, 1485, 1540, 1617, 1620, 1694, 1701, 1764, 1782, 1815, 1890, 1980, 2079, 2156, 2178, 2205, 2268, 2310, 2420, 2430, 2541, 2646, 2673, 2695, 2772, 2835, 2940, 2970, 3234, 3267, 3388, 3402, 3465, 3564, 3630, 3780, 3969, 4158, 4235, 4356, 4410, 4455, 4620, 4851, 4860, 5082, 5292, 5346, 5390, 5445, 5670, 5929, 5940, 6237, 6468, 6534, 6615, 6804, 6930, 7260, 7623, 7938, 8085, 8316, 8470, 8505, 8820, 8910, 9702, 9801, 10164, 10395, 10692, 10780, 10890, 11340, 11858, 11907, 12474, 12705, 13068, 13230, 13365, 13860, 14553, 15246, 15876, 16170, 16335, 16940, 17010, 17787, 17820, 18711, 19404, 19602, 19845, 20790, 21780, 22869, 23716, 23814, 24255, 24948, 25410, 26460, 26730, 29106, 29403, 29645, 30492, 31185, 32340, 32670, 34020, 35574, 37422, 38115, 39204, 39690, 41580, 43659, 45738, 47628, 48510, 49005, 50820, 53361, 53460, 58212, 58806, 59290, 59535, 62370, 65340, 68607, 71148, 72765, 74844, 76230, 79380, 87318, 88935, 91476, 93555, 97020, 98010, 106722, 114345, 117612, 118580, 119070, 124740, 130977, 137214, 145530, 147015, 152460, 160083, 174636, 177870, 187110, 196020, 205821, 213444, 218295, 228690, 238140, 261954, 266805, 274428, 291060, 294030, 320166, 343035, 355740, 374220, 411642, 436590, 457380, 480249, 523908, 533610, 588060, 640332, 654885, 686070, 800415, 823284, 873180, 960498, 1029105, 1067220, 1309770, 1372140, 1440747, 1600830, 1920996, 2058210, 2401245, 2619540, 2881494, 3201660, 4116420, 4802490, 5762988, 7203735, 9604980, 14407470, 28814940]

約数ペア:

[(1, 28814940), (2, 14407470), (3, 9604980), (4, 7203735), (5, 5762988), (6, 4802490), (7, 4116420), (9, 3201660), (10, 2881494), (11, 2619540), (12, 2401245), (14, 2058210), (15, 1920996), (18, 1600830), (20, 1440747), (21, 1372140), (22, 1309770), (27, 1067220), (28, 1029105), (30, 960498), (33, 873180), (35, 823284), (36, 800415), (42, 686070), (44, 654885), (45, 640332), (49, 588060), (54, 533610), (55, 523908), (60, 480249), (63, 457380), (66, 436590), (70, 411642), (77, 374220), (81, 355740), (84, 343035), (90, 320166), (98, 294030), (99, 291060), (105, 274428), (108, 266805), (110, 261954), (121, 238140), (126, 228690), (132, 218295), (135, 213444), (140, 205821), (147, 196020), (154, 187110), (162, 177870), (165, 174636), (180, 160083), (189, 152460), (196, 147015), (198, 145530), (210, 137214), (220, 130977), (231, 124740), (242, 119070), (243, 118580), (245, 117612), (252, 114345), (270, 106722), (294, 98010), (297, 97020), (308, 93555), (315, 91476), (324, 88935), (330, 87318), (363, 79380), (378, 76230), (385, 74844), (396, 72765), (405, 71148), (420, 68607), (441, 65340), (462, 62370), (484, 59535), (486, 59290), (490, 58806), (495, 58212), (539, 53460), (540, 53361), (567, 50820), (588, 49005), (594, 48510), (605, 47628), (630, 45738), (660, 43659), (693, 41580), (726, 39690), (735, 39204), (756, 38115), (770, 37422), (810, 35574), (847, 34020), (882, 32670), (891, 32340), (924, 31185), (945, 30492), (972, 29645), (980, 29403), (990, 29106), (1078, 26730), (1089, 26460), (1134, 25410), (1155, 24948), (1188, 24255), (1210, 23814), (1215, 23716), (1260, 22869), (1323, 21780), (1386, 20790), (1452, 19845), (1470, 19602), (1485, 19404), (1540, 18711), (1617, 17820), (1620, 17787), (1694, 17010), (1701, 16940), (1764, 16335), (1782, 16170), (1815, 15876), (1890, 15246), (1980, 14553), (2079, 13860), (2156, 13365), (2178, 13230), (2205, 13068), (2268, 12705), (2310, 12474), (2420, 11907), (2430, 11858), (2541, 11340), (2646, 10890), (2673, 10780), (2695, 10692), (2772, 10395), (2835, 10164), (2940, 9801), (2970, 9702), (3234, 8910), (3267, 8820), (3388, 8505), (3402, 8470), (3465, 8316), (3564, 8085), (3630, 7938), (3780, 7623), (3969, 7260), (4158, 6930), (4235, 6804), (4356, 6615), (4410, 6534), (4455, 6468), (4620, 6237), (4851, 5940), (4860, 5929), (5082, 5670), (5292, 5445), (5346, 5390)]