161755860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 541465344

約数和(自身を除く): 379709484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 735, 740, 777, 980, 1036, 1110, 1295, 1470, 1487, 1554, 1813, 2220, 2590, 2940, 2974, 3108, 3626, 3885, 4461, 5180, 5439, 5948, 7252, 7435, 7770, 8922, 9065, 10409, 10878, 14870, 15540, 17844, 18130, 20818, 21756, 22305, 27195, 29740, 31227, 36260, 41636, 44610, 52045, 54390, 55019, 62454, 72863, 89220, 104090, 108780, 110038, 124908, 145726, 156135, 165057, 208180, 218589, 220076, 275095, 291452, 312270, 330114, 364315, 385133, 437178, 550190, 624540, 660228, 728630, 770266, 825285, 874356, 1092945, 1100380, 1155399, 1457260, 1540532, 1650570, 1925665, 2185890, 2310798, 2695931, 3301140, 3851330, 4371780, 4621596, 5391862, 5776995, 7702660, 8087793, 10783724, 11553990, 13479655, 16175586, 23107980, 26959310, 32351172, 40438965, 53918620, 80877930, 161755860]

約数ペア:

[(1, 161755860), (2, 80877930), (3, 53918620), (4, 40438965), (5, 32351172), (6, 26959310), (7, 23107980), (10, 16175586), (12, 13479655), (14, 11553990), (15, 10783724), (20, 8087793), (21, 7702660), (28, 5776995), (30, 5391862), (35, 4621596), (37, 4371780), (42, 3851330), (49, 3301140), (60, 2695931), (70, 2310798), (74, 2185890), (84, 1925665), (98, 1650570), (105, 1540532), (111, 1457260), (140, 1155399), (147, 1100380), (148, 1092945), (185, 874356), (196, 825285), (210, 770266), (222, 728630), (245, 660228), (259, 624540), (294, 550190), (370, 437178), (420, 385133), (444, 364315), (490, 330114), (518, 312270), (555, 291452), (588, 275095), (735, 220076), (740, 218589), (777, 208180), (980, 165057), (1036, 156135), (1110, 145726), (1295, 124908), (1470, 110038), (1487, 108780), (1554, 104090), (1813, 89220), (2220, 72863), (2590, 62454), (2940, 55019), (2974, 54390), (3108, 52045), (3626, 44610), (3885, 41636), (4461, 36260), (5180, 31227), (5439, 29740), (5948, 27195), (7252, 22305), (7435, 21756), (7770, 20818), (8922, 18130), (9065, 17844), (10409, 15540), (10878, 14870)]