686464020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{346699}}^1$

素因数の和:346725

約数の個数: 72

約数和(自身を含む): 2271578400

約数和(自身を除く): 1585114380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 346699, 693398, 1040097, 1386796, 1733495, 2080194, 3120291, 3466990, 3813689, 4160388, 5200485, 6240582, 6933980, 7627378, 10400970, 11441067, 12481164, 15254756, 15601455, 19068445, 20801940, 22882134, 31202910, 34323201, 38136890, 45764268, 57205335, 62405820, 68646402, 76273780, 114410670, 137292804, 171616005, 228821340, 343232010, 686464020]

約数ペア:

[(1, 686464020), (2, 343232010), (3, 228821340), (4, 171616005), (5, 137292804), (6, 114410670), (9, 76273780), (10, 68646402), (11, 62405820), (12, 57205335), (15, 45764268), (18, 38136890), (20, 34323201), (22, 31202910), (30, 22882134), (33, 20801940), (36, 19068445), (44, 15601455), (45, 15254756), (55, 12481164), (60, 11441067), (66, 10400970), (90, 7627378), (99, 6933980), (110, 6240582), (132, 5200485), (165, 4160388), (180, 3813689), (198, 3466990), (220, 3120291), (330, 2080194), (396, 1733495), (495, 1386796), (660, 1040097), (990, 693398), (1980, 346699)]