1980903780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{1051}}^1$

素因数の和:1386

約数の個数: 144

約数和(自身を含む): 6198838464

約数和(自身を除く): 4217934684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 283, 333, 370, 444, 555, 566, 666, 740, 849, 1051, 1110, 1132, 1332, 1415, 1665, 1698, 2102, 2220, 2547, 2830, 3153, 3330, 3396, 4204, 4245, 5094, 5255, 5660, 6306, 6660, 8490, 9459, 10188, 10471, 10510, 12612, 12735, 15765, 16980, 18918, 20942, 21020, 25470, 31413, 31530, 37836, 38887, 41884, 47295, 50940, 52355, 62826, 63060, 77774, 94239, 94590, 104710, 116661, 125652, 155548, 157065, 188478, 189180, 194435, 209420, 233322, 297433, 314130, 349983, 376956, 388870, 466644, 471195, 583305, 594866, 628260, 699966, 777740, 892299, 942390, 1166610, 1189732, 1399932, 1487165, 1749915, 1784598, 1884780, 2333220, 2676897, 2974330, 3499830, 3569196, 4461495, 5353794, 5948660, 6999660, 8922990, 10707588, 11005021, 13384485, 17845980, 22010042, 26768970, 33015063, 44020084, 53537940, 55025105, 66030126, 99045189, 110050210, 132060252, 165075315, 198090378, 220100420, 330150630, 396180756, 495225945, 660301260, 990451890, 1980903780]

約数ペア:

[(1, 1980903780), (2, 990451890), (3, 660301260), (4, 495225945), (5, 396180756), (6, 330150630), (9, 220100420), (10, 198090378), (12, 165075315), (15, 132060252), (18, 110050210), (20, 99045189), (30, 66030126), (36, 55025105), (37, 53537940), (45, 44020084), (60, 33015063), (74, 26768970), (90, 22010042), (111, 17845980), (148, 13384485), (180, 11005021), (185, 10707588), (222, 8922990), (283, 6999660), (333, 5948660), (370, 5353794), (444, 4461495), (555, 3569196), (566, 3499830), (666, 2974330), (740, 2676897), (849, 2333220), (1051, 1884780), (1110, 1784598), (1132, 1749915), (1332, 1487165), (1415, 1399932), (1665, 1189732), (1698, 1166610), (2102, 942390), (2220, 892299), (2547, 777740), (2830, 699966), (3153, 628260), (3330, 594866), (3396, 583305), (4204, 471195), (4245, 466644), (5094, 388870), (5255, 376956), (5660, 349983), (6306, 314130), (6660, 297433), (8490, 233322), (9459, 209420), (10188, 194435), (10471, 189180), (10510, 188478), (12612, 157065), (12735, 155548), (15765, 125652), (16980, 116661), (18918, 104710), (20942, 94590), (21020, 94239), (25470, 77774), (31413, 63060), (31530, 62826), (37836, 52355), (38887, 50940), (41884, 47295)]