245561940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6173}}^1$

素因数の和:6218

約数の個数: 144

約数和(自身を含む): 849493008

約数和(自身を除く): 603931068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6173, 6630, 7956, 9945, 12346, 13260, 18519, 19890, 24692, 30865, 37038, 39780, 55557, 61730, 74076, 80249, 92595, 104941, 111114, 123460, 160498, 185190, 209882, 222228, 240747, 277785, 314823, 320996, 370380, 401245, 419764, 481494, 524705, 555570, 629646, 722241, 802490, 944469, 962988, 1049410, 1111140, 1203735, 1259292, 1364233, 1444482, 1574115, 1604980, 1888938, 2098820, 2407470, 2728466, 2888964, 3148230, 3611205, 3777876, 4092699, 4722345, 4814940, 5456932, 6296460, 6821165, 7222410, 8185398, 9444690, 12278097, 13642330, 14444820, 16370796, 18889380, 20463495, 24556194, 27284660, 40926990, 49112388, 61390485, 81853980, 122780970, 245561940]

約数ペア:

[(1, 245561940), (2, 122780970), (3, 81853980), (4, 61390485), (5, 49112388), (6, 40926990), (9, 27284660), (10, 24556194), (12, 20463495), (13, 18889380), (15, 16370796), (17, 14444820), (18, 13642330), (20, 12278097), (26, 9444690), (30, 8185398), (34, 7222410), (36, 6821165), (39, 6296460), (45, 5456932), (51, 4814940), (52, 4722345), (60, 4092699), (65, 3777876), (68, 3611205), (78, 3148230), (85, 2888964), (90, 2728466), (102, 2407470), (117, 2098820), (130, 1888938), (153, 1604980), (156, 1574115), (170, 1444482), (180, 1364233), (195, 1259292), (204, 1203735), (221, 1111140), (234, 1049410), (255, 962988), (260, 944469), (306, 802490), (340, 722241), (390, 629646), (442, 555570), (468, 524705), (510, 481494), (585, 419764), (612, 401245), (663, 370380), (765, 320996), (780, 314823), (884, 277785), (1020, 240747), (1105, 222228), (1170, 209882), (1326, 185190), (1530, 160498), (1989, 123460), (2210, 111114), (2340, 104941), (2652, 92595), (3060, 80249), (3315, 74076), (3978, 61730), (4420, 55557), (6173, 39780), (6630, 37038), (7956, 30865), (9945, 24692), (12346, 19890), (13260, 18519)]