212902740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4397}}^1$

素因数の和:4681

約数の個数: 72

約数和(自身を含む): 648353160

約数和(自身を除く): 435450420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 2421, 2690, 3228, 4035, 4397, 4842, 5380, 8070, 8794, 9684, 12105, 13191, 16140, 17588, 21985, 24210, 26382, 39573, 43970, 48420, 52764, 65955, 79146, 87940, 131910, 158292, 197865, 263820, 395730, 791460, 1182793, 2365586, 3548379, 4731172, 5913965, 7096758, 10645137, 11827930, 14193516, 17741895, 21290274, 23655860, 35483790, 42580548, 53225685, 70967580, 106451370, 212902740]

約数ペア:

[(1, 212902740), (2, 106451370), (3, 70967580), (4, 53225685), (5, 42580548), (6, 35483790), (9, 23655860), (10, 21290274), (12, 17741895), (15, 14193516), (18, 11827930), (20, 10645137), (30, 7096758), (36, 5913965), (45, 4731172), (60, 3548379), (90, 2365586), (180, 1182793), (269, 791460), (538, 395730), (807, 263820), (1076, 197865), (1345, 158292), (1614, 131910), (2421, 87940), (2690, 79146), (3228, 65955), (4035, 52764), (4397, 48420), (4842, 43970), (5380, 39573), (8070, 26382), (8794, 24210), (9684, 21985), (12105, 17588), (13191, 16140)]