30720690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 111541248

約数和(自身を除く): 80820558

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 31, 33, 35, 39, 42, 45, 55, 62, 63, 65, 66, 70, 77, 78, 90, 91, 93, 99, 105, 110, 117, 121, 126, 130, 143, 154, 155, 165, 182, 186, 195, 198, 210, 217, 231, 234, 242, 273, 279, 286, 310, 315, 330, 341, 363, 385, 390, 403, 429, 434, 455, 462, 465, 495, 546, 558, 585, 605, 630, 651, 682, 693, 715, 726, 770, 806, 819, 847, 858, 910, 930, 990, 1001, 1023, 1085, 1089, 1155, 1170, 1209, 1210, 1287, 1302, 1365, 1386, 1395, 1430, 1573, 1638, 1694, 1705, 1815, 1953, 2002, 2015, 2046, 2145, 2170, 2178, 2310, 2387, 2418, 2541, 2574, 2730, 2790, 2821, 3003, 3069, 3146, 3255, 3410, 3465, 3627, 3630, 3751, 3906, 4030, 4095, 4235, 4290, 4433, 4719, 4774, 5005, 5082, 5115, 5445, 5642, 6006, 6045, 6138, 6435, 6510, 6930, 7161, 7254, 7502, 7623, 7865, 8190, 8463, 8470, 8866, 9009, 9438, 9765, 10010, 10230, 10890, 11011, 11253, 11935, 12090, 12705, 12870, 13299, 14105, 14157, 14322, 15015, 15246, 15345, 15730, 16926, 18018, 18135, 18755, 19530, 21483, 22022, 22165, 22506, 23595, 23870, 25389, 25410, 26257, 26598, 28210, 28314, 30030, 30690, 31031, 33033, 33759, 35805, 36270, 37510, 38115, 39897, 42315, 42966, 44330, 45045, 47190, 48763, 50778, 52514, 55055, 56265, 62062, 66066, 66495, 67518, 70785, 71610, 76230, 78771, 79794, 84630, 90090, 93093, 97526, 99099, 107415, 110110, 112530, 126945, 131285, 132990, 141570, 146289, 155155, 157542, 165165, 168795, 186186, 198198, 199485, 214830, 236313, 243815, 253890, 262570, 279279, 292578, 310310, 330330, 337590, 341341, 393855, 398970, 438867, 465465, 472626, 487630, 495495, 558558, 682682, 731445, 787710, 877734, 930930, 990990, 1024023, 1181565, 1396395, 1462890, 1706705, 2048046, 2194335, 2363130, 2792790, 3072069, 3413410, 4388670, 5120115, 6144138, 10240230, 15360345, 30720690]

約数ペア:

[(1, 30720690), (2, 15360345), (3, 10240230), (5, 6144138), (6, 5120115), (7, 4388670), (9, 3413410), (10, 3072069), (11, 2792790), (13, 2363130), (14, 2194335), (15, 2048046), (18, 1706705), (21, 1462890), (22, 1396395), (26, 1181565), (30, 1024023), (31, 990990), (33, 930930), (35, 877734), (39, 787710), (42, 731445), (45, 682682), (55, 558558), (62, 495495), (63, 487630), (65, 472626), (66, 465465), (70, 438867), (77, 398970), (78, 393855), (90, 341341), (91, 337590), (93, 330330), (99, 310310), (105, 292578), (110, 279279), (117, 262570), (121, 253890), (126, 243815), (130, 236313), (143, 214830), (154, 199485), (155, 198198), (165, 186186), (182, 168795), (186, 165165), (195, 157542), (198, 155155), (210, 146289), (217, 141570), (231, 132990), (234, 131285), (242, 126945), (273, 112530), (279, 110110), (286, 107415), (310, 99099), (315, 97526), (330, 93093), (341, 90090), (363, 84630), (385, 79794), (390, 78771), (403, 76230), (429, 71610), (434, 70785), (455, 67518), (462, 66495), (465, 66066), (495, 62062), (546, 56265), (558, 55055), (585, 52514), (605, 50778), (630, 48763), (651, 47190), (682, 45045), (693, 44330), (715, 42966), (726, 42315), (770, 39897), (806, 38115), (819, 37510), (847, 36270), (858, 35805), (910, 33759), (930, 33033), (990, 31031), (1001, 30690), (1023, 30030), (1085, 28314), (1089, 28210), (1155, 26598), (1170, 26257), (1209, 25410), (1210, 25389), (1287, 23870), (1302, 23595), (1365, 22506), (1386, 22165), (1395, 22022), (1430, 21483), (1573, 19530), (1638, 18755), (1694, 18135), (1705, 18018), (1815, 16926), (1953, 15730), (2002, 15345), (2015, 15246), (2046, 15015), (2145, 14322), (2170, 14157), (2178, 14105), (2310, 13299), (2387, 12870), (2418, 12705), (2541, 12090), (2574, 11935), (2730, 11253), (2790, 11011), (2821, 10890), (3003, 10230), (3069, 10010), (3146, 9765), (3255, 9438), (3410, 9009), (3465, 8866), (3627, 8470), (3630, 8463), (3751, 8190), (3906, 7865), (4030, 7623), (4095, 7502), (4235, 7254), (4290, 7161), (4433, 6930), (4719, 6510), (4774, 6435), (5005, 6138), (5082, 6045), (5115, 6006), (5445, 5642)]