245855820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30809}}^1$

素因数の和:30847

約数の個数: 96

約数和(自身を含む): 828172800

約数和(自身を除く): 582316980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 30809, 61618, 92427, 123236, 154045, 184854, 215663, 308090, 369708, 431326, 462135, 585371, 616180, 646989, 862652, 924270, 1078315, 1170742, 1293978, 1756113, 1848540, 2156630, 2341484, 2587956, 2926855, 3234945, 3512226, 4097597, 4313260, 5853710, 6469890, 7024452, 8195194, 8780565, 11707420, 12292791, 12939780, 16390388, 17561130, 20487985, 24585582, 35122260, 40975970, 49171164, 61463955, 81951940, 122927910, 245855820]

約数ペア:

[(1, 245855820), (2, 122927910), (3, 81951940), (4, 61463955), (5, 49171164), (6, 40975970), (7, 35122260), (10, 24585582), (12, 20487985), (14, 17561130), (15, 16390388), (19, 12939780), (20, 12292791), (21, 11707420), (28, 8780565), (30, 8195194), (35, 7024452), (38, 6469890), (42, 5853710), (57, 4313260), (60, 4097597), (70, 3512226), (76, 3234945), (84, 2926855), (95, 2587956), (105, 2341484), (114, 2156630), (133, 1848540), (140, 1756113), (190, 1293978), (210, 1170742), (228, 1078315), (266, 924270), (285, 862652), (380, 646989), (399, 616180), (420, 585371), (532, 462135), (570, 431326), (665, 369708), (798, 308090), (1140, 215663), (1330, 184854), (1596, 154045), (1995, 123236), (2660, 92427), (3990, 61618), (7980, 30809)]