1818839440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1209

約数の個数: 160

約数和(自身を含む): 4844547072

約数和(自身を除く): 3025707632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 61, 62, 80, 88, 110, 122, 124, 155, 176, 220, 244, 248, 305, 310, 341, 440, 488, 496, 610, 620, 671, 682, 880, 976, 1093, 1220, 1240, 1342, 1364, 1705, 1891, 2186, 2440, 2480, 2684, 2728, 3355, 3410, 3782, 4372, 4880, 5368, 5456, 5465, 6710, 6820, 7564, 8744, 9455, 10736, 10930, 12023, 13420, 13640, 15128, 17488, 18910, 20801, 21860, 24046, 26840, 27280, 30256, 33883, 37820, 41602, 43720, 48092, 53680, 60115, 66673, 67766, 75640, 83204, 87440, 96184, 104005, 120230, 133346, 135532, 151280, 166408, 169415, 192368, 208010, 240460, 266692, 271064, 332816, 333365, 338830, 372713, 416020, 480920, 533384, 542128, 666730, 677660, 733403, 745426, 832040, 961840, 1066768, 1333460, 1355320, 1466806, 1490852, 1664080, 1863565, 2066863, 2666920, 2710640, 2933612, 2981704, 3667015, 3727130, 4133726, 5333840, 5867224, 5963408, 7334030, 7454260, 8267452, 10334315, 11734448, 14668060, 14908520, 16534904, 20668630, 22735493, 29336120, 29817040, 33069808, 41337260, 45470986, 58672240, 82674520, 90941972, 113677465, 165349040, 181883944, 227354930, 363767888, 454709860, 909419720, 1818839440]

約数ペア:

[(1, 1818839440), (2, 909419720), (4, 454709860), (5, 363767888), (8, 227354930), (10, 181883944), (11, 165349040), (16, 113677465), (20, 90941972), (22, 82674520), (31, 58672240), (40, 45470986), (44, 41337260), (55, 33069808), (61, 29817040), (62, 29336120), (80, 22735493), (88, 20668630), (110, 16534904), (122, 14908520), (124, 14668060), (155, 11734448), (176, 10334315), (220, 8267452), (244, 7454260), (248, 7334030), (305, 5963408), (310, 5867224), (341, 5333840), (440, 4133726), (488, 3727130), (496, 3667015), (610, 2981704), (620, 2933612), (671, 2710640), (682, 2666920), (880, 2066863), (976, 1863565), (1093, 1664080), (1220, 1490852), (1240, 1466806), (1342, 1355320), (1364, 1333460), (1705, 1066768), (1891, 961840), (2186, 832040), (2440, 745426), (2480, 733403), (2684, 677660), (2728, 666730), (3355, 542128), (3410, 533384), (3782, 480920), (4372, 416020), (4880, 372713), (5368, 338830), (5456, 333365), (5465, 332816), (6710, 271064), (6820, 266692), (7564, 240460), (8744, 208010), (9455, 192368), (10736, 169415), (10930, 166408), (12023, 151280), (13420, 135532), (13640, 133346), (15128, 120230), (17488, 104005), (18910, 96184), (20801, 87440), (21860, 83204), (24046, 75640), (26840, 67766), (27280, 66673), (30256, 60115), (33883, 53680), (37820, 48092), (41602, 43720)]