168464920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 427472640

約数和(自身を除く): 259007720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 61, 65, 94, 104, 113, 122, 130, 188, 226, 235, 244, 260, 305, 376, 452, 470, 488, 520, 565, 610, 611, 793, 904, 940, 1130, 1220, 1222, 1469, 1586, 1880, 2260, 2440, 2444, 2867, 2938, 3055, 3172, 3965, 4520, 4888, 5311, 5734, 5876, 6110, 6344, 6893, 7345, 7930, 10622, 11468, 11752, 12220, 13786, 14335, 14690, 15860, 21244, 22936, 24440, 26555, 27572, 28670, 29380, 31720, 34465, 37271, 42488, 53110, 55144, 57340, 58760, 68930, 69043, 74542, 89609, 106220, 114680, 137860, 138086, 149084, 179218, 186355, 212440, 275720, 276172, 298168, 323971, 345215, 358436, 372710, 448045, 552344, 647942, 690430, 716872, 745420, 896090, 1295884, 1380860, 1490840, 1619855, 1792180, 2591768, 2761720, 3239710, 3584360, 4211623, 6479420, 8423246, 12958840, 16846492, 21058115, 33692984, 42116230, 84232460, 168464920]

約数ペア:

[(1, 168464920), (2, 84232460), (4, 42116230), (5, 33692984), (8, 21058115), (10, 16846492), (13, 12958840), (20, 8423246), (26, 6479420), (40, 4211623), (47, 3584360), (52, 3239710), (61, 2761720), (65, 2591768), (94, 1792180), (104, 1619855), (113, 1490840), (122, 1380860), (130, 1295884), (188, 896090), (226, 745420), (235, 716872), (244, 690430), (260, 647942), (305, 552344), (376, 448045), (452, 372710), (470, 358436), (488, 345215), (520, 323971), (565, 298168), (610, 276172), (611, 275720), (793, 212440), (904, 186355), (940, 179218), (1130, 149084), (1220, 138086), (1222, 137860), (1469, 114680), (1586, 106220), (1880, 89609), (2260, 74542), (2440, 69043), (2444, 68930), (2867, 58760), (2938, 57340), (3055, 55144), (3172, 53110), (3965, 42488), (4520, 37271), (4888, 34465), (5311, 31720), (5734, 29380), (5876, 28670), (6110, 27572), (6344, 26555), (6893, 24440), (7345, 22936), (7930, 21244), (10622, 15860), (11468, 14690), (11752, 14335), (12220, 13786)]