221645040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^4$

素因数の和:140

約数の個数: 100

約数和(自身を含む): 710002920

約数和(自身を除く): 488357880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 961, 1240, 1488, 1860, 1922, 2480, 2883, 3720, 3844, 4805, 5766, 7440, 7688, 9610, 11532, 14415, 15376, 19220, 23064, 28830, 29791, 38440, 46128, 57660, 59582, 76880, 89373, 115320, 119164, 148955, 178746, 230640, 238328, 297910, 357492, 446865, 476656, 595820, 714984, 893730, 923521, 1191640, 1429968, 1787460, 1847042, 2383280, 2770563, 3574920, 3694084, 4617605, 5541126, 7149840, 7388168, 9235210, 11082252, 13852815, 14776336, 18470420, 22164504, 27705630, 36940840, 44329008, 55411260, 73881680, 110822520, 221645040]

約数ペア:

[(1, 221645040), (2, 110822520), (3, 73881680), (4, 55411260), (5, 44329008), (6, 36940840), (8, 27705630), (10, 22164504), (12, 18470420), (15, 14776336), (16, 13852815), (20, 11082252), (24, 9235210), (30, 7388168), (31, 7149840), (40, 5541126), (48, 4617605), (60, 3694084), (62, 3574920), (80, 2770563), (93, 2383280), (120, 1847042), (124, 1787460), (155, 1429968), (186, 1191640), (240, 923521), (248, 893730), (310, 714984), (372, 595820), (465, 476656), (496, 446865), (620, 357492), (744, 297910), (930, 238328), (961, 230640), (1240, 178746), (1488, 148955), (1860, 119164), (1922, 115320), (2480, 89373), (2883, 76880), (3720, 59582), (3844, 57660), (4805, 46128), (5766, 38440), (7440, 29791), (7688, 28830), (9610, 23064), (11532, 19220), (14415, 15376)]