25301340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 82162080

約数和(自身を除く): 56860740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 111, 116, 131, 145, 148, 174, 180, 185, 222, 261, 262, 290, 333, 348, 370, 393, 435, 444, 522, 524, 555, 580, 655, 666, 740, 786, 870, 1044, 1073, 1110, 1179, 1305, 1310, 1332, 1572, 1665, 1740, 1965, 2146, 2220, 2358, 2610, 2620, 3219, 3330, 3799, 3930, 4292, 4716, 4847, 5220, 5365, 5895, 6438, 6660, 7598, 7860, 9657, 9694, 10730, 11397, 11790, 12876, 14541, 15196, 16095, 18995, 19314, 19388, 21460, 22794, 23580, 24235, 29082, 32190, 34191, 37990, 38628, 43623, 45588, 48285, 48470, 56985, 58164, 64380, 68382, 72705, 75980, 87246, 96570, 96940, 113970, 136764, 140563, 145410, 170955, 174492, 193140, 218115, 227940, 281126, 290820, 341910, 421689, 436230, 562252, 683820, 702815, 843378, 872460, 1265067, 1405630, 1686756, 2108445, 2530134, 2811260, 4216890, 5060268, 6325335, 8433780, 12650670, 25301340]

約数ペア:

[(1, 25301340), (2, 12650670), (3, 8433780), (4, 6325335), (5, 5060268), (6, 4216890), (9, 2811260), (10, 2530134), (12, 2108445), (15, 1686756), (18, 1405630), (20, 1265067), (29, 872460), (30, 843378), (36, 702815), (37, 683820), (45, 562252), (58, 436230), (60, 421689), (74, 341910), (87, 290820), (90, 281126), (111, 227940), (116, 218115), (131, 193140), (145, 174492), (148, 170955), (174, 145410), (180, 140563), (185, 136764), (222, 113970), (261, 96940), (262, 96570), (290, 87246), (333, 75980), (348, 72705), (370, 68382), (393, 64380), (435, 58164), (444, 56985), (522, 48470), (524, 48285), (555, 45588), (580, 43623), (655, 38628), (666, 37990), (740, 34191), (786, 32190), (870, 29082), (1044, 24235), (1073, 23580), (1110, 22794), (1179, 21460), (1305, 19388), (1310, 19314), (1332, 18995), (1572, 16095), (1665, 15196), (1740, 14541), (1965, 12876), (2146, 11790), (2220, 11397), (2358, 10730), (2610, 9694), (2620, 9657), (3219, 7860), (3330, 7598), (3799, 6660), (3930, 6438), (4292, 5895), (4716, 5365), (4847, 5220)]