1320233940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431449}}^1$

素因数の和:431481

約数の個数: 72

約数和(自身を含む): 4240290600

約数和(自身を除く): 2920056660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 431449, 862898, 1294347, 1725796, 2157245, 2588694, 3883041, 4314490, 5177388, 6471735, 7334633, 7766082, 8628980, 12943470, 14669266, 15532164, 19415205, 22003899, 25886940, 29338532, 36673165, 38830410, 44007798, 66011697, 73346330, 77660820, 88015596, 110019495, 132023394, 146692660, 220038990, 264046788, 330058485, 440077980, 660116970, 1320233940]

約数ペア:

[(1, 1320233940), (2, 660116970), (3, 440077980), (4, 330058485), (5, 264046788), (6, 220038990), (9, 146692660), (10, 132023394), (12, 110019495), (15, 88015596), (17, 77660820), (18, 73346330), (20, 66011697), (30, 44007798), (34, 38830410), (36, 36673165), (45, 29338532), (51, 25886940), (60, 22003899), (68, 19415205), (85, 15532164), (90, 14669266), (102, 12943470), (153, 8628980), (170, 7766082), (180, 7334633), (204, 6471735), (255, 5177388), (306, 4314490), (340, 3883041), (510, 2588694), (612, 2157245), (765, 1725796), (1020, 1294347), (1530, 862898), (3060, 431449)]