128291940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3511}}^1$

素因数の和:3562

約数の個数: 144

約数和(自身を含む): 460212480

約数和(自身を除く): 331920540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3511, 3654, 4060, 5220, 6090, 7022, 7308, 9135, 10533, 12180, 14044, 17555, 18270, 21066, 24577, 31599, 35110, 36540, 42132, 49154, 52665, 63198, 70220, 73731, 98308, 101819, 105330, 122885, 126396, 147462, 157995, 203638, 210660, 221193, 245770, 294924, 305457, 315990, 368655, 407276, 442386, 491540, 509095, 610914, 631980, 712733, 737310, 884772, 916371, 1018190, 1105965, 1221828, 1425466, 1474620, 1527285, 1832742, 2036380, 2138199, 2211930, 2850932, 3054570, 3563665, 3665484, 4276398, 4423860, 4581855, 6109140, 6414597, 7127330, 8552796, 9163710, 10690995, 12829194, 14254660, 18327420, 21381990, 25658388, 32072985, 42763980, 64145970, 128291940]

約数ペア:

[(1, 128291940), (2, 64145970), (3, 42763980), (4, 32072985), (5, 25658388), (6, 21381990), (7, 18327420), (9, 14254660), (10, 12829194), (12, 10690995), (14, 9163710), (15, 8552796), (18, 7127330), (20, 6414597), (21, 6109140), (28, 4581855), (29, 4423860), (30, 4276398), (35, 3665484), (36, 3563665), (42, 3054570), (45, 2850932), (58, 2211930), (60, 2138199), (63, 2036380), (70, 1832742), (84, 1527285), (87, 1474620), (90, 1425466), (105, 1221828), (116, 1105965), (126, 1018190), (140, 916371), (145, 884772), (174, 737310), (180, 712733), (203, 631980), (210, 610914), (252, 509095), (261, 491540), (290, 442386), (315, 407276), (348, 368655), (406, 315990), (420, 305457), (435, 294924), (522, 245770), (580, 221193), (609, 210660), (630, 203638), (812, 157995), (870, 147462), (1015, 126396), (1044, 122885), (1218, 105330), (1260, 101819), (1305, 98308), (1740, 73731), (1827, 70220), (2030, 63198), (2436, 52665), (2610, 49154), (3045, 42132), (3511, 36540), (3654, 35110), (4060, 31599), (5220, 24577), (6090, 21066), (7022, 18270), (7308, 17555), (9135, 14044), (10533, 12180)]