68438340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 220985856

約数和(自身を除く): 152547516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 271, 276, 305, 345, 366, 414, 460, 542, 549, 610, 690, 732, 813, 828, 915, 1035, 1084, 1098, 1220, 1355, 1380, 1403, 1626, 1830, 2070, 2196, 2439, 2710, 2745, 2806, 3252, 3660, 4065, 4140, 4209, 4878, 5420, 5490, 5612, 6233, 7015, 8130, 8418, 9756, 10980, 12195, 12466, 12627, 14030, 16260, 16531, 16836, 18699, 21045, 24390, 24932, 25254, 28060, 31165, 33062, 37398, 42090, 48780, 49593, 50508, 56097, 62330, 63135, 66124, 74796, 82655, 84180, 93495, 99186, 112194, 124660, 126270, 148779, 165310, 186990, 198372, 224388, 247965, 252540, 280485, 297558, 330620, 373980, 380213, 495930, 560970, 595116, 743895, 760426, 991860, 1121940, 1140639, 1487790, 1520852, 1901065, 2281278, 2975580, 3421917, 3802130, 4562556, 5703195, 6843834, 7604260, 11406390, 13687668, 17109585, 22812780, 34219170, 68438340]

約数ペア:

[(1, 68438340), (2, 34219170), (3, 22812780), (4, 17109585), (5, 13687668), (6, 11406390), (9, 7604260), (10, 6843834), (12, 5703195), (15, 4562556), (18, 3802130), (20, 3421917), (23, 2975580), (30, 2281278), (36, 1901065), (45, 1520852), (46, 1487790), (60, 1140639), (61, 1121940), (69, 991860), (90, 760426), (92, 743895), (115, 595116), (122, 560970), (138, 495930), (180, 380213), (183, 373980), (207, 330620), (230, 297558), (244, 280485), (271, 252540), (276, 247965), (305, 224388), (345, 198372), (366, 186990), (414, 165310), (460, 148779), (542, 126270), (549, 124660), (610, 112194), (690, 99186), (732, 93495), (813, 84180), (828, 82655), (915, 74796), (1035, 66124), (1084, 63135), (1098, 62330), (1220, 56097), (1355, 50508), (1380, 49593), (1403, 48780), (1626, 42090), (1830, 37398), (2070, 33062), (2196, 31165), (2439, 28060), (2710, 25254), (2745, 24932), (2806, 24390), (3252, 21045), (3660, 18699), (4065, 16836), (4140, 16531), (4209, 16260), (4878, 14030), (5420, 12627), (5490, 12466), (5612, 12195), (6233, 10980), (7015, 9756), (8130, 8418)]