17814240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 61916400

約数和(自身を除く): 44102160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 139, 144, 160, 178, 180, 240, 267, 278, 288, 356, 360, 417, 445, 480, 534, 556, 695, 712, 720, 801, 834, 890, 1068, 1112, 1251, 1335, 1390, 1424, 1440, 1602, 1668, 1780, 2085, 2136, 2224, 2502, 2670, 2780, 2848, 3204, 3336, 3560, 4005, 4170, 4272, 4448, 5004, 5340, 5560, 6255, 6408, 6672, 7120, 8010, 8340, 8544, 10008, 10680, 11120, 12371, 12510, 12816, 13344, 14240, 16020, 16680, 20016, 21360, 22240, 24742, 25020, 25632, 32040, 33360, 37113, 40032, 42720, 49484, 50040, 61855, 64080, 66720, 74226, 98968, 100080, 111339, 123710, 128160, 148452, 185565, 197936, 200160, 222678, 247420, 296904, 371130, 395872, 445356, 494840, 556695, 593808, 742260, 890712, 989680, 1113390, 1187616, 1484520, 1781424, 1979360, 2226780, 2969040, 3562848, 4453560, 5938080, 8907120, 17814240]

約数ペア:

[(1, 17814240), (2, 8907120), (3, 5938080), (4, 4453560), (5, 3562848), (6, 2969040), (8, 2226780), (9, 1979360), (10, 1781424), (12, 1484520), (15, 1187616), (16, 1113390), (18, 989680), (20, 890712), (24, 742260), (30, 593808), (32, 556695), (36, 494840), (40, 445356), (45, 395872), (48, 371130), (60, 296904), (72, 247420), (80, 222678), (89, 200160), (90, 197936), (96, 185565), (120, 148452), (139, 128160), (144, 123710), (160, 111339), (178, 100080), (180, 98968), (240, 74226), (267, 66720), (278, 64080), (288, 61855), (356, 50040), (360, 49484), (417, 42720), (445, 40032), (480, 37113), (534, 33360), (556, 32040), (695, 25632), (712, 25020), (720, 24742), (801, 22240), (834, 21360), (890, 20016), (1068, 16680), (1112, 16020), (1251, 14240), (1335, 13344), (1390, 12816), (1424, 12510), (1440, 12371), (1602, 11120), (1668, 10680), (1780, 10008), (2085, 8544), (2136, 8340), (2224, 8010), (2502, 7120), (2670, 6672), (2780, 6408), (2848, 6255), (3204, 5560), (3336, 5340), (3560, 5004), (4005, 4448), (4170, 4272)]