400320180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171077}}^1$

素因数の和:171105

約数の個数: 72

約数和(自身を含む): 1307720232

約数和(自身を除く): 907400052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 171077, 342154, 513231, 684308, 855385, 1026462, 1539693, 1710770, 2052924, 2224001, 2566155, 3079386, 3421540, 4448002, 5132310, 6158772, 6672003, 7698465, 8896004, 10264620, 11120005, 13344006, 15396930, 20016009, 22240010, 26688012, 30793860, 33360015, 40032018, 44480020, 66720030, 80064036, 100080045, 133440060, 200160090, 400320180]

約数ペア:

[(1, 400320180), (2, 200160090), (3, 133440060), (4, 100080045), (5, 80064036), (6, 66720030), (9, 44480020), (10, 40032018), (12, 33360015), (13, 30793860), (15, 26688012), (18, 22240010), (20, 20016009), (26, 15396930), (30, 13344006), (36, 11120005), (39, 10264620), (45, 8896004), (52, 7698465), (60, 6672003), (65, 6158772), (78, 5132310), (90, 4448002), (117, 3421540), (130, 3079386), (156, 2566155), (180, 2224001), (195, 2052924), (234, 1710770), (260, 1539693), (390, 1026462), (468, 855385), (585, 684308), (780, 513231), (1170, 342154), (2340, 171077)]