241674680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 628084800

約数和(自身を除く): 386410120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 61, 65, 76, 95, 104, 122, 130, 152, 190, 244, 247, 260, 305, 380, 401, 488, 494, 520, 610, 760, 793, 802, 988, 1159, 1220, 1235, 1586, 1604, 1976, 2005, 2318, 2440, 2470, 3172, 3208, 3965, 4010, 4636, 4940, 5213, 5795, 6344, 7619, 7930, 8020, 9272, 9880, 10426, 11590, 15067, 15238, 15860, 16040, 20852, 23180, 24461, 26065, 30134, 30476, 31720, 38095, 41704, 46360, 48922, 52130, 60268, 60952, 75335, 76190, 97844, 99047, 104260, 120536, 122305, 150670, 152380, 195688, 198094, 208520, 244610, 301340, 304760, 317993, 396188, 464759, 489220, 495235, 602680, 635986, 792376, 929518, 978440, 990470, 1271972, 1589965, 1859036, 1980940, 2323795, 2543944, 3179930, 3718072, 3961880, 4647590, 6041867, 6359860, 9295180, 12083734, 12719720, 18590360, 24167468, 30209335, 48334936, 60418670, 120837340, 241674680]

約数ペア:

[(1, 241674680), (2, 120837340), (4, 60418670), (5, 48334936), (8, 30209335), (10, 24167468), (13, 18590360), (19, 12719720), (20, 12083734), (26, 9295180), (38, 6359860), (40, 6041867), (52, 4647590), (61, 3961880), (65, 3718072), (76, 3179930), (95, 2543944), (104, 2323795), (122, 1980940), (130, 1859036), (152, 1589965), (190, 1271972), (244, 990470), (247, 978440), (260, 929518), (305, 792376), (380, 635986), (401, 602680), (488, 495235), (494, 489220), (520, 464759), (610, 396188), (760, 317993), (793, 304760), (802, 301340), (988, 244610), (1159, 208520), (1220, 198094), (1235, 195688), (1586, 152380), (1604, 150670), (1976, 122305), (2005, 120536), (2318, 104260), (2440, 99047), (2470, 97844), (3172, 76190), (3208, 75335), (3965, 60952), (4010, 60268), (4636, 52130), (4940, 48922), (5213, 46360), (5795, 41704), (6344, 38095), (7619, 31720), (7930, 30476), (8020, 30134), (9272, 26065), (9880, 24461), (10426, 23180), (11590, 20852), (15067, 16040), (15238, 15860)]