74987460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1621}}^1$

素因数の和:1893

約数の個数: 72

約数和(自身を含む): 228487896

約数和(自身を除く): 153500436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 1621, 2313, 2570, 3084, 3242, 3855, 4626, 4863, 5140, 6484, 7710, 8105, 9252, 9726, 11565, 14589, 15420, 16210, 19452, 23130, 24315, 29178, 32420, 46260, 48630, 58356, 72945, 97260, 145890, 291780, 416597, 833194, 1249791, 1666388, 2082985, 2499582, 3749373, 4165970, 4999164, 6248955, 7498746, 8331940, 12497910, 14997492, 18746865, 24995820, 37493730, 74987460]

約数ペア:

[(1, 74987460), (2, 37493730), (3, 24995820), (4, 18746865), (5, 14997492), (6, 12497910), (9, 8331940), (10, 7498746), (12, 6248955), (15, 4999164), (18, 4165970), (20, 3749373), (30, 2499582), (36, 2082985), (45, 1666388), (60, 1249791), (90, 833194), (180, 416597), (257, 291780), (514, 145890), (771, 97260), (1028, 72945), (1285, 58356), (1542, 48630), (1621, 46260), (2313, 32420), (2570, 29178), (3084, 24315), (3242, 23130), (3855, 19452), (4626, 16210), (4863, 15420), (5140, 14589), (6484, 11565), (7710, 9726), (8105, 9252)]