121001680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 293981184

約数和(自身を除く): 172979504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 503, 620, 776, 970, 1006, 1240, 1552, 1940, 2012, 2480, 2515, 3007, 3880, 4024, 5030, 6014, 7760, 8048, 10060, 12028, 15035, 15593, 20120, 24056, 30070, 31186, 40240, 48112, 48791, 60140, 62372, 77965, 97582, 120280, 124744, 155930, 195164, 240560, 243955, 249488, 311860, 390328, 487910, 623720, 780656, 975820, 1247440, 1512521, 1951640, 3025042, 3903280, 6050084, 7562605, 12100168, 15125210, 24200336, 30250420, 60500840, 121001680]

約数ペア:

[(1, 121001680), (2, 60500840), (4, 30250420), (5, 24200336), (8, 15125210), (10, 12100168), (16, 7562605), (20, 6050084), (31, 3903280), (40, 3025042), (62, 1951640), (80, 1512521), (97, 1247440), (124, 975820), (155, 780656), (194, 623720), (248, 487910), (310, 390328), (388, 311860), (485, 249488), (496, 243955), (503, 240560), (620, 195164), (776, 155930), (970, 124744), (1006, 120280), (1240, 97582), (1552, 77965), (1940, 62372), (2012, 60140), (2480, 48791), (2515, 48112), (3007, 40240), (3880, 31186), (4024, 30070), (5030, 24056), (6014, 20120), (7760, 15593), (8048, 15035), (10060, 12028)]